Nielsen Hayden genealogy

Descendants of Richard fitz Gilbert

Male Abt 1033 - Bef 1088  (~ 55 years)


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Father: Gilbert fitz Godfrey     (Abt 1010 - 1040 Eschafour, Eu, Seine-Inferieure, Normandy, France)

Richard fitz Gilbert (Abt 1033 of Bienfaite and Orbec, Normandy, France - Bef Apr 1088 bur.St Neots, Huntingdonshire, England)
Rohese Giffard ( - Aft 1113)
    ├─ Robert fitz Richard   (of Dunmow, Essex, England -
    │   Aft 28 Nov 1137 bur.St. Neot's Priory, Cambridgeshire, England)
    │ Maud de Senlis (Abt 1092 - Aft 1158)(m. 1112)
    │     ├─ Maud de Senlis   (Abt 1125 - Aft 1185)
    │     │ William II d'Aubeney (of Belvoir, Leicestershire, England - 1167)
    │     │     ├─ Maud d'Aubigny   ( - Aft 1209)
    │     │     │ Gilbert of Strathearn (Bef 1151 - 1223)
    │     │     │     └─ Robert of Strathearn   ( - Between 25 Sep 1237 and 1244)
    │     │     │       
    │     │     │           ├─ Annabella  
    │     │     │           │ Patrick de Graham ( - 27 Apr 1296 Dunbar, East Lothian, Scotland)(m. Bef 1260)
    │     │     │           │     └─ David de Graham   ( - Abt 1330)
    │     │     │           │       
    │     │     │           │           ├─ Margaret Graham     =>
    │     │     │           │           │ + Hugh Ross ( - 19 Jul 1333 Halidon Hill, Northumberland, England)
    │     │     │           │           │   (m. Bef 24 Nov 1329)
    │     │     │           │           └─ David de Graham   ( - Aft 30 Nov 1376)  =>
    │     │     │           │             + 
    │     │     │           └─ Malise of Strathearn   ( - Bef 23 Nov 1271 bur.Dunblane, Stirlingshire, Scotland)
    │     │     │             Matilda
    │     │     │             :   └─ Malise of Strathearn   ( - Aft 28 Jan 1313)
    │     │     │             :     Agnes
    │     │     │             :         └─ Malise of Strathearn   ( - Bef 1329)  =>
    │     │     │             :           + (Unknown first wife of Malise, 7th earl of Strathearn)
    │     │     │             + Mary of Argyll, Queen of Man ( - Between 28 Sep 1300 and 10 Oct 1303 bur.Church of the
    │     │     │               Grey Friars, London, England)(m. Abt 1268)
    │     │     └─ William III d'Aubeney   (Aft 1146 of Belvoir, Leicestershire, England -
    │     │         7 May 1236 bur.Newstead, Lincolnshire, England)
    │     │       Margary de Umfreville ( - Bef 1198)
    │     │           └─ William IV d'Aubeney   (of Belvoir, Leicestershire, England -
    │     │               4 Sep 1242 bur.Beauvoir Priory, Leicestershire, England)
    │     │             Isabel ( - Aft 1285)
    │     │                 └─ Isabel d'Aubeney   (Abt 1233 - 15 Jun 1301 bur.Newstead Priory, Lincolnshire, England)
    │     │                   Robert de Ros (of Helmsley, Yorkshire, England -
    │     │                      17 May 1285 bur.Kirkham Priory, Yorkshire, England)(m. Bef 17 May 1244)
    │     │                       ├─ Joan de Ros   ( - 13 Oct 1348)
    │     │                       │ John Lovel (1252 of Titchmarsh, Northamptonshire, England - Bef 1 Oct 1310)
    │     │                       │     └─ John Lovel   (Abt 1288 of Titchmarsh, Northamptonshire, England -
    │     │                       │         24 Jun 1314 Bannockburn, Stirlingshire, Scotland)  =>
    │     │                       │       + Maud Burnell (Between 1290 and 1294 - Bef 1338)
    │     │                       ├─ Isabel de Ros  
    │     │                       │ Walter de Faucomberge (Abt 1254-1264 of Skelton, Yorkshire, England - 31 Dec 1318)
    │     │                       │     ├─ Anice de Fauconberge   ( - Aft 1322)  =>
    │     │                       │     │ + Nicholas d'Engaine (of Colne Engaine, Essex, England - 4 Dec 1322)
    │     │                       │     └─ John de Faucomberge   (Bef 24 Jun 1290 - 17 Sep 1349)  =>
    │     │                       │       + Eve de Bulmer (of Wilton, Yorkshire, England - Bef Sep 1349)
    │     │                       ├─ Mary de Ros   ( - Bef 23 May 1326)
    │     │                       │ William de Brewes (Abt 1224 of Bramber, Sussex, England -
    │     │                       │    6 Jan 1291 Findon, Sussex, England)(m. Bef 1272)
    │     │                       │     └─ Peter de Brewes   (Abt 1273 of Tetbury, Gloucestershire, England -
    │     │                       │         Bef 7 Feb 1312)  =>
    │     │                       │       + Agnes ( - Bef 1332)(m. Aft 6 Jun 1300)
    │     │                       ├─ Robert de Roos   (of Wyville, Lincolnshire, England - Bef 3 Feb 1311)
    │     │                       │ Erneburge
    │     │                       │     └─ James de Roos   (Abt 1302 of Gedney, Holbeach, Lincolnshire, England -
    │     │                       │         30 Sep 1362)  =>
    │     │                       │       + Maud de Bernake ( - ?? bur.Beauvoir Priory, Leicestershire, England)
    │     │                       └─ William III de Ros   (Abt 1255 of Helmsley, Yorkshire, England -
    │     │                           Between 12 May 1316 and 16 Aug 1316 bur.Kirkham Priory, Yorkshire, England)
    │     │                         Maud de Vaux (Abt 1261 of Frieston, Lincolnshire, England -
    │     │                            Aft 17 Jun 1313 bur.Pentney Priory, Norfolk, England)(m. Bef 1284)
    │     │                             ├─ Agnes de Ros   ( - Bef 25 Nov 1328)  =>
    │     │                             │ + Pain de Tibetot (11 Jun 1279 of Burwell, Cambridgeshire, England -
    │     │                             │    24 Jun 1314 Bannockburn, Stirlingshire, Scotland)(m. Bef 3 Sep 1311)
    │     │                             ├─ Alice de Ros   ( - Bef 4 Jul 1344)  =>
    │     │                             │ + Nicholas de Meinell (Abt 1302 of Whorlton, Yorkshire, England -
    │     │                             │    Bef 20 Nov 1341 bur.Whorlton, Yorkshire, England)
    │     │                             └─ William IV de Ros   (Abt 1288 of Helmsley, Yorkshire, England -
    │     │                                 3 Feb 1343 bur.Kirkham Priory, Yorkshire, England)  =>
    │     │                               + Margery de Badlesmere (Abt 1306 - 18 Oct 1363)(m. Bef 25 Nov 1316)
    │     └─ Walter fitz Robert   (Bef 1134 of Little Dunmow, Essex, England - 1198 Little Dunmow, Essex, England)
    │       Maud de Lucy (of Diss, Norfolk, England - Aft 1170)
    │           ├─ Robert fitz Walter   (Little Dunmow, Essex, England - 9 Dec 1235)
    │           │ Rohese ( - 1256 Woodham Walter, Essex, England)
    │           │     ├─ Maud fitz Walter   (Abt 1161 - Aft 26 Jan 1196)
    │           │     │ William de Luvetot (of Sheffield, Yorkshire, England -
    │           │     │    7 Apr 1181 bur.Worksop, Nottinghamshire, England)
    │           │     │     └─ Maud de Lovetot   (Abt 1178 - Aft 23 Jun 1247 bur.Worksop, Nottinghamshire, England)
    │           │     │       Gerard de Furnival (of Great Munden, Hertfordshire, England - Bef 12 Apr 1219 Jerusalem)
    │           │     │         (m. Bef 1201)
    │           │     │           ├─ Thomas de Furnival   (Aft 1200 of Sheffield, Yorkshire, England -
    │           │     │           │   Abt 1240 Damietta, Egypt)
    │           │     │           │ Bertha de Ferrers ( - Aft 10 Feb 1267 bur.Grey Friars, Dunwich, Suffolk, England)
    │           │     │           │     ├─ Thomas de Furnival   (of Sheffield, Yorkshire, England - 12 May 1291
    │           │     │           │     │  bur.Church of the Friars Minor, Doncaster, Yorkshire, England)  =>
    │           │     │           │     │ + 
    │           │     │           │     └─ (Unknown) de Furnival     =>
    │           │     │           │       + Roger de Mowbray (Abt 1220 of Thirsk, Yorkshire, England - Bef 18 Oct 1263
    │           │     │           │         bur.Church of the Friars Preachers, Pontefract, Yorkshire, England)(m.
    │           │     │           │         Aft 13 Apr 1238)
    │           │     │           └─ Gerard de Furnival   (Aft 1200 of Great Munden, Hertfordshire, England - ??)
    │           │     │             Christian Ledet ( - 1271)(m. Bef 22 Jun 1238)
    │           │     │                 └─ Gerard de Furnival   (of Great Munden, Hertfordshire, England -
    │           │     │                     Bef 15 Aug 1302)  =>
    │           │     │                   + Isabel
    │           │     └─ Walter fitz Robert   (Abt 1219 of Woodham Walter, Essex, England - Bef 10 Apr 1258)
    │           │       Ida Longespée ( - Aft 1261)
    │           │           ├─ Ela fitz Walter   ( - Aft 2 Jul 1295)
    │           │           │ William de Odingsells (of Solihull, Warwickshire, England - 1294)
    │           │           │     ├─ Ida de Odingsells   (Abt 1265 of Solihull, Warwickshire, England -
    │           │           │     │   Aft 1 Mar 1322)
    │           │           │     │ Roger de Herdeburgh (of Willey, Warwickshire, England - Bef 9 Feb 1284)
    │           │           │     │ :   └─ Ela de Herdeburgh   ( - Aft 5 Jul 1343)  =>
    │           │           │     │ :     + William le Boteler (11 Jun 1274 of Wem, Shropshire, England -
    │           │           │     │ :        Bef 14 Sep 1334)(m. Bef 1310)
    │           │           │     │ John de Clinton (Abt 1258 of Amington in Tamworth, Warwickshire, England - 1310)
    │           │           │     │   (m. Aft 29 Sep 1286)
    │           │           │     │     ├─ William de Clinton   (of Maxstoke, Warwickshire, England - 24 Aug 1354)  =>
    │           │           │     │     │ + (Unknown wife or mistress of William de Clinton)
    │           │           │     │     └─ John de Clinton   (Abt 1300 of Maxstoke, Warwickshire, England -
    │           │           │     │         Bef 1 Apr 1335)  =>
    │           │           │     │       + Margery Corbet (of Chaddesley Corbet, Worcestershire, England -
    │           │           │     │          Aft 14 May 1343)(m. Bef 7 Apr 1325)
    │           │           │     └─ Margaret de Odingsells   (Abt 1277 -
    │           │           │         Aft 21 Apr 1330 bur.Cogges, Oxfordshire, England)
    │           │           │       John de Grey (Abt 1272 of Rotherfield, Oxfordshire, England - 17 Oct 1311)
    │           │           │         (m. Bef 14 Jan 1297)
    │           │           │           ├─ Joan de Grey   ( - Bef 1339)  =>
    │           │           │           │ + John Ralegh (of Farnborough, Warwickshire, England - Aft 24 Feb 1348)
    │           │           │           │   (m. Bef 1302)
    │           │           │           └─ John de Grey   (9 Oct 1300 - 1 Sep 1359 Rotherfield, Oxfordshire, England)  =>
    │           │           │             + Katherine Fitz Alan (Abt 1300 - Bef 1340 bur.Black Friars, York, Yorkshire,
    │           │           │             : England)(m. Bef 1 Mar 1312)
    │           │           │             + Avice Marmion ( - Aft 20 Mar 1379)(m. Bef 1341)
    │           │           └─ Robert Fitz Walter   (1247 Henham, Essex, England - 18 Jan 1326)
    │           │             Devorguille de Burgh (Between 1255 and 1266 -
    │           │             :  1284 bur.Dunmow Priory, Little Dunmow, Essex, England)(m. 1259)
    │           │             :   └─ Christian de Burgh   ( - Bef 6 Dec 1315 Holywell Priory, Shorewell, Middlesex,
    │           │             :      England)
    │           │             :     William Marshal (Abt 24 Sep 1277 Denham, Suffolk, England -
    │           │             :        24 Jun 1314 Bannockburn, Stirlingshire, Scotland)
    │           │             :         └─ Hawise Marshal   (Abt 1301 - Bef Sep 1334)  =>
    │           │             :           + Robert de Morley (of Morley, Norfolk, England -
    │           │             :              23 Mar 1360 Burgundy, France)(m. Bef 20 Oct 1316)
    │           │             Eleanor de Ferrers (m. Bef 11 Mar 1290 King's Chapel, Westminster, Middlesex, England)
    │           │                 └─ Robert Fitz Walter   (1300 of Woodham Walter, Essex, England - 6 May 1328)
    │           │                   Joan de Multon ( - 16 Jun 1363 bur.Dunmow Priory, Little Dunmow, Essex, England)
    │           │                       └─ John Fitz Walter   (Abt 1315 -
    │           │                           18 Oct 1361 bur.Dunmow Priory, Little Dunmow, Essex, England)  =>
    │           │                         + Eleanor de Percy ( - Bef 18 Oct 1361 bur.Dunmow Priory, Little Dunmow, Essex,
    │           │                            England)
    │           └─ Alice fitz Walter   ( - Aft 1213)
    │             Gilbert Pecche (of Great Bealings, Suffolk, England - Bef 9 Jul 1212)
    │                 ├─ Maud Pecche   ( - Bef 1233 bur.St. John's Abbey, Colchester, Essex, England)
    │                 │ William de Lanvallay (of Walkern, Hertfordshire, England -
    │                 │    Bef 3 Oct 1217 bur.St. John's Abbey, Colchester, Essex, England)
    │                 │     └─ Hawise de Lanvallay   ( - 1249 bur.St. John's Abbey, Colchester, Essex, England)
    │                 │       John de Burgh (1210 of Burgh, Norfolk, England - Bef 7 Jan 1275)(m. Bef 1227)
    │                 │           └─ John de Burgh   (Abt 1235 of Walkern, Hertfordshire, England - Bef 3 Mar 1280)
    │                 │             Cecily de Balliol ( - Bef 1273)
    │                 │                 ├─ Devorguille de Burgh   (Between 1255 and 1266 -
    │                 │                 │   1284 bur.Dunmow Priory, Little Dunmow, Essex, England)  =>
    │                 │                 │ + Robert Fitz Walter (1247 Henham, Essex, England - 18 Jan 1326)(m. 1259)
    │                 │                 └─ Hawise de Burgh   (Abt 1258 - Bef 24 Mar 1299)  =>
    │                 │                   + Robert de Grelle (Abt 1254 of Manchester, Lancashire, England - 15 Feb 1282)
    │                 └─ Hamon Pecche   (Abt 1194 of Great Bealings, Suffolk, England - 1241)
    │                   Eve ( - Aft 1266)
    │                       └─ Gilbert Pecche   (of Great Thurlow, Suffolk, England - 25 May 1291)
    │                         Joan de Creye ( - Aft 1302)
    │                         :   └─ Gilbert Pecche   (of Great Bealings, Suffolk, England - Bef 26 Jun 1322)
    │                         :     Iseult ( - Aft Sep 1338)
    │                         :         └─ Gilbert Pecche   (Abt 1306 of Great Thurlow, Suffolk, England -
    │                         :             Bef 24 Aug 1349)  =>
    │                         :           + Joan (m. Bef 23 Mar 1336)
    │                         + Maud de Hastings ( - Between 1264 and 1265 London, England)
    ├─ Avice fitz Richard   ( - Aft 1112)
    │ Raoul I de Fougères ( - 1124)(m. Bef 1086)
    │     └─ Henri de Fougères   ( - Abt 1150 Savigny Abbey, Normandy, France)
    │       Olive of Brittany ( - Aft 1173)
    │           └─ Raoul II de Fougères   ( - Between 1191 and 1194)
    │             Mathilde
    │                 └─ Guillaume de Fougères   ( - 1187)
    │                   Agatha du Hommet
    │                       └─ Geoffroi de Fougères   ( - 1212 bur.Savigny Abbey, Normandy, France)
    │                         Mathilde of Porhoët ( - Bef 1231)
    │                             └─ Raoul de Fougères   ( - 24 Feb 1256 bur.Savigny Abbey, Normandy, France)
    │                               Isabel de Craon (Aft 1223 - Aft 15 Jan 1275)(m. Feb 1234)
    │                                   └─ Jeanne de Fougères   ( - Aft 18 Jun 1273 bur.Sauvigny, Meuse, France)  =>
    │                                     + Hugh XII de Lusignan ( - Aft 25 Aug 1270)
    │                                       (m. 29 Jan 1254 Fougères, Brittany, France)
    ├─ Adelisa de Clare  
    │ Walter Tirel ( - Aft 1124)
    │     └─ (Unknown) Tirel  
    │       
    │           └─ Gerbert de Percy   (of Poorstock, Dorset, England - 1179)
    │             Maud Arundel
    │                 └─ Sibyl de Percy  
    │                   Payn
    │                       └─ Robert fitz Payn  
    │                         
    │                             └─ Roger Fitz Payn   ( - Bef 14 Oct 1237)
    │                               Margery de Lincoln ( - Aft 25 Jul 1245)
    │                                   └─ Robert Fitz Payn   (Abt 1235 of Fitzpaine, Dorset, England -
    │                                       Bef 27 Apr 1281)  =>
    │                                     + Roberge
    ├─ Rohese fitz Gilbert de Clare   (Abt 1055 St.-Martin-de-Bienfaite-la-Cressonniere, Calvados, Normandy, France -
    │   1121 bur.Abbey of Bec, Eure, Normandy, France)
    │ + Eudes fitz Hubert (of Colchester, Essex, England - 1120 Préaux, Normandy, France)
    └─ Gilbert fitz Richard de Clare   (Abt 1060 - 1117)
      Alice de Clermont (of Clermont, Oise, Picardie, France - Aft 1136)
          ├─ Baldwin fitz Gilbert   (of Bourne, Lincoln, Lincolnshire, England - Aft 1154)
          │ Adeline de Rollos ( - Aft 1165)(m. Abt 1130)
          │     ├─ Emma fitz Baldwin   (of Bourne, Lincoln, Lincolnshire, England - Bef 1168)
          │     │ Hugh Wake (of Bourne, Lincoln, Lincolnshire, England - Bef 29 Sep 1176)(m. 1145-1146)
          │     │     └─ Baldwin Wake   (of Bourne, Lincoln, Lincolnshire, England - Bef 29 Sep 1198)
          │     │       Agnes du Hommet ( - Aft Apr 1224)
          │     │           └─ Baldwin Wake   (Abt 1180 of Bourne, Lincoln, Lincolnshire, England - Bef 20 Jul 1213)
          │     │             Isabel de Briwerre ( - Bef 10 Jun 1233)(m. Aft 1201)
          │     │                 └─ Hugh Wake   (Abt 1203 of Bourne, Lincoln, Lincolnshire, England - 1241 Jerusalem)
          │     │                   Joanne de Stuteville ( - Bef 5 Apr 1276)(m. Bef 29 May 1229)
          │     │                       └─ Baldwin Wake   (Abt 1238 of Liddell, Cumberland, England - 5 Feb 1282)  =>
          │     │                         + Ela de Beauchamp ( - Bef 1265)
          │     │                         + Hawise de Quincy (Abt 1250 - Bef 27 Mar 1285)(m. Bef 5 Feb 1268)
          │     └─ Rose fitz Baldwin   (Abt 1135 - ??)
          │       William II de Bussy (Abt 1090 - Abt 1165)
          │           └─ Cecily de Bussy   ( - Aft 1205)
          │             John de Builly (Between 1145 and 1146 of Tickhill, Yorkshire, England - 1213)(m. Bef 1165)
          │                 └─ Idoine de Builly   (of Tickhill, Yorkshire, England - Bef 1 Nov 1241)
          │                   Robert de Vipont (of Appleby, Westmorland, England - 1228)(m. Bef 1165)
          │                       ├─ Christian de Vipont   (of Appleby, Westmorland, England - ??)
          │                       │ Thomas fitz William (Abt 1198 Greystoke, Penrith, Cumberland, England - 1246)
          │                       │     ├─ Joan de Greystoke   (of Greystoke, Penrith, Cumberland, England -
          │                       │     │   Aft Jul 1269)  =>
          │                       │     │ + William fitz Ralph (of Grimthorpe, Yorkshire, England - Aft Jul 1269)
          │                       │     └─ Thomas de Greystoke     =>
          │                       │       + 
          │                       └─ John de Vipont   (1210 of Appleby, Westmorland, England - Bef 25 Jul 1241)
          │                         Sibyl de Ferrers
          │                             └─ Robert de Vipont   (Abt 1234 of Appleby, Westmorland, England -
          │                                 Bef 7 Jun 1264)  =>
          │                               + Isabel fitz John (m. Aft 19 Nov 1242)
          ├─ Alice de Clare   ( - 1163 St. Osyth Priory, Essex, England)
          │ Aubrey de Vere (Bef 1090 of Hedingham, Essex, England - 15 May 1141 London, England)(m. Bef 1106)
          │     ├─ Juliana de Vere   ( - Aft 1185)
          │     │ Hugh I le Bigod (Abt 1095 of Earsham, Norfolk, England -
          │     │    Bef 9 Mar 1177 bur.Thetford Priory, Norfolk, England)
          │     │     └─ Roger II le Bigod   (Bef 1140 Thetford, Norfolk, England - Bef 2 Aug 1221)
          │     │       Ida de Tony (m. Abt 25 Dec 1181)
          │     │           ├─ Margaret le Bigod  
          │     │           │ William de Hastings (of Ashill, Norfolk, England - 1224)
          │     │           │     ├─ Maud de Hastings   ( - Between 1264 and 1265 London, England)
          │     │           │     │ + Gilbert Pecche (of Great Thurlow, Suffolk, England - 25 May 1291)
          │     │           │     └─ Henry Hastings   (Abt 1205 of Blunham, Bedfordshire, England - Bef 9 Aug 1250)
          │     │           │       Ada of Huntingdon ( - Aft 2 Nov 1241)(m. Aft 1224)
          │     │           │           ├─ Henry de Hastings   (of Ashill, Norfolk, England - 1268)  =>
          │     │           │           │ + Joan de Cantelowe (of Abergavenny, Monmouthshire, Wales - Aft 1269)
          │     │           │           │   (m. Bef 1262)
          │     │           │           └─ Hillary de Hastings   ( - Aft 1294)  =>
          │     │           │             + William de Harcourt (Bef 1227 of Stanton Harcourt, Oxfordshire, England -
          │     │           │                Between 1270 and 19 Apr 1271)(m. Abt 1256)
          │     │           ├─ Hugh II le Bigod   ( - Between 11 Feb 1225 and 18 Feb 1225)
          │     │           │ Maud Marshal, Marshal Of England (1192 - 27 Mar 1248 bur.Tintern Abbey, Monmouthshire,
          │     │           │   Wales)(m. 1207)
          │     │           │     ├─ Isabel le Bigod  
          │     │           │     │ Gilbert de Lacy (of Ewyas Lacy, Herefordshire, England -
          │     │           │     │ :  Between 12 Aug 1230 and 15 Dec 1230)
          │     │           │     │ :   ├─ Maud de Lacy   ( - 11 Apr 1303)  =>
          │     │           │     │ :   │ + Geoffrey de Geneville (Aft 1225 - 21 Oct 1314 House of the Friars Preachers,
          │     │           │     │ :   │   Trim, Meath, Ireland)(m. 4 Aug 1252 Woodstock, Oxfordshire, England)
          │     │           │     │ :   └─ Margaret de Lacy   ( - 1256)  =>
          │     │           │     │ :     + John de Verdun (Abt 1226 of Alton, Staffordshire, England - Bef 17 Oct 1274)
          │     │           │     │ :       (m. Bef 20 Apr 1242)
          │     │           │     │ John fitz Geoffrey (Abt 1205 of Shere, Surrey, England - 23 Nov 1258)
          │     │           │     │   (m. Bef 12 Apr 1234)
          │     │           │     │     ├─ Maud fitz John   ( - 16 Apr 1301 bur.Friars Minor, Worcester,
          │     │           │     │     │  Worcestershire, England)  =>
          │     │           │     │     │ + William de Beauchamp (1237 of Elmley, Worcestershire, England - 1296
          │     │           │     │     │   bur.Friars Minor, Worcester, Worcestershire, England)(m. Bef 1270)
          │     │           │     │     ├─ Isabel fitz John     =>
          │     │           │     │     │ + Robert de Vipont (Abt 1234 of Appleby, Westmorland, England -
          │     │           │     │     │    Bef 7 Jun 1264)(m. Aft 19 Nov 1242)
          │     │           │     │     ├─ Avelina fitz John   ( - Abt 20 May 1274 bur.Dunmow Priory, Little Dunmow,
          │     │           │     │     │  Essex, England)  =>
          │     │           │     │     │ + Walter de Burgh (Abt 1229 - 28 Jul 1271 Galway Castle, Galway, Ireland)
          │     │           │     │     │   (m. Abt 1257)
          │     │           │     │     └─ Joan fitz John   ( - Between 25 Feb 1303 and 26 May 1303)  =>
          │     │           │     │       + Thebaud le Boteler (Abt 1242 - 26 Sep 1285 Arklow, Wicklow, Ireland)
          │     │           │     │         (m. Bef 1269)
          │     │           │     ├─ Ralph le Bigod   (Aft 1208 of Stockton, Norfolk, England - Bef 28 Jul 1260)
          │     │           │     │ Bertha de Ferrers ( - Aft 10 Feb 1267 bur.Grey Friars, Dunwich, Suffolk, England)
          │     │           │     │   (m. Aft 1240)
          │     │           │     │     └─ John le Bigod   (Abt 1245 of Stockton, Norfolk, England - Bef 18 Mar 1305)  =>
          │     │           │     │       + Isabel ( - 12 Sep 1311)(m. Bef 1290)
          │     │           │     └─ Hugh III le Bigod   (Abt 1215 of Bosham, Sussex, England - Bef 7 May 1266)
          │     │           │       Joanne de Stuteville ( - Bef 5 Apr 1276)(m. Bef 5 Feb 1244)
          │     │           │           └─ Joan le Bigod     =>
          │     │           │             + Philip de Kyme (Aft 1238 of Sotby, Lincolnshire, England - 1 Mar 1323)
          │     │           │               (m. Abt 1280)
          │     │           └─ Mary le Bigod  
          │     │             Ranulph fitz Robert (Abt 1185 of Middleham, Yorkshire, England -
          │     │                Bef 7 Dec 1252 bur.Coverham Abbey, Yorkshire, England)
          │     │                 ├─ Ralph fitz Ranulph   (of Middleham, Durham, England -
          │     │                 │   31 Mar 1270 bur.Coverham Abbey, Yorkshire, England)
          │     │                 │ Anastasia de Percy ( - Bef 28 Apr 1272)
          │     │                 │     └─ Mary Fitz Ranulph   ( - Bef 11 Apr 1320 bur.Coverham Abbey, Yorkshire,
          │     │                 │        England)  =>
          │     │                 │       + Robert de Neville (Bef 1240 of Middleham, Yorkshire, England - 6 Aug 1271)
          │     │                 │         (m. Abt 1260)
          │     │                 └─ Ranulf fitz Ranulf   (Between 1220 and 1225 - Bef 1294)
          │     │                   Bertrama
          │     │                       └─ Ralph fitz Ranulf   (Between 1250 and 1260 - Bef 1316)  =>
          │     │                         + Tiffany de Lascelles
          │     ├─ Rohese de Vere   (Abt 1110 - 1166)
          │     │ Payne de Beauchamp ( - Bef 1155)
          │     │     └─ Simon de Beauchamp   (Abt 1145 of Bedford, Bedfordshire, England - Abt 1207)
          │     │       Isabella
          │     │           └─ William de Beauchamp   (Abt 1185 - Bef 9 Oct 1260)
          │     │             Idonea de Longespée ( - Aft 1266)(m. Abt Jan 1220)
          │     │                 ├─ Ela de Beauchamp   ( - Bef 1265)
          │     │                 │ Baldwin Wake (Abt 1238 of Liddell, Cumberland, England - 5 Feb 1282)
          │     │                 │     └─ Ida Wake   ( - Aft 26 Jun 1278)  =>
          │     │                 │       + John de Stonegrave (of Stonegrave, Helmsley, Yorkshire, England -
          │     │                 │          20 Apr 1295)(m. Bef 1273)
          │     │                 ├─ Beatrice de Beauchamp   ( - Abt 1281)
          │     │                 │ Thomas fitz Otes (Abt 1231 of Mendlesham, Suffolk, England - Bef 23 Mar 1274)
          │     │                 │   (m. Bef 1264)
          │     │                 │     └─ Maud fitz Thomas   (1269 - Bef 27 Nov 1328)  =>
          │     │                 │       + John Botetourt ( - 25 Nov 1324)(m. Bef Jun 1282)
          │     │                 └─ Maud de Beauchamp   (of Bedford, Bedfordshire, England - Bef 4 Apr 1273
          │     │                    bur.Church of the Friars Preachers, Pontefract, Yorkshire, England)
          │     │                   Roger de Mowbray (Abt 1220 of Thirsk, Yorkshire, England - Bef 18 Oct 1263
          │     │                   : bur.Church of the Friars Preachers, Pontefract, Yorkshire, England)(m.
          │     │                   : Bef 1257)
          │     │                   :   └─ Roger de Mowbray   (Abt 1257 of the Isle of Axholme, Lincolnshire, England -
          │     │                   :       1296 bur.Church of the Friars Preachers, Pontefract, Yorkshire, England)  =>
          │     │                   :     + Rose de Clare (17 Aug 1252 - Aft 1315 bur.Church of the Friars Preachers,
          │     │                   :       Pontefract, Yorkshire, England)(m. Aft 15 Jul 1270)
          │     │                   + Roger le Strange (of Ellesmere, Shropshire, England - 31 Jul 1311)
          │     │                     (m. Bef 15 Jul 1270)
          │     ├─ Aubrey de Vere   (Abt 1110 of Hedingham, Essex, England -
          │     │   26 Dec 1194 bur.Earl's Colne Priory, Halstead, Great Bromley, Essex, England)
          │     │ + Beatrice (Aft 1120 - ?? bur.Abbey of La Capelle, Calais, France)(m. Bef 1139)
          │     │ Agnes of Essex (Between 1151 and 1152 - Aft 1205 bur.Earl's Colne Priory, Halstead, Great Bromley,
          │     │   Essex, England)(m. Between 1162 and 1163)
          │     │     ├─ Aubrey de Vere   (Abt 1163 - 1214)
          │     │     │ + Isabel de Bolebec ( - Between 1206 and 1207)
          │     │     └─ Robert de Vere   (Aft 1164 of Hedingham, Essex, England -
          │     │         Bef 25 Oct 1221 bur.Hatfield Regis Priory, Hatfield Broad Oak, Essex, England)
          │     │       Isabel de Bolebec (Abt 1164 -
          │     │          2 Feb 1245 bur.Church of the Black Friars, Oxford, Oxfordshire, England)
          │     │           ├─ Eleanor de Vere  
          │     │           │ Ralph Gernon (of East Thorpe, Essex, England - 1274)
          │     │           │     └─ William Gernon   (Abt 1250 of East Thorpe, Essex, England - 1327)
          │     │           │       Isabel (m. Bef 1274)
          │     │           │           └─ John Gernon   (Between 1287 and 1297 of East Thorpe, Essex, England -
          │     │           │               Between Apr 1332 and 28 Mar 1334 bur.Colchester, Essex, England)  =>
          │     │           │             + Alice de Coleville ( - Bef 1331)(m. Abt 1313)
          │     │           └─ Hugh de Vere   (Abt 1210 of Castle Hedingham, Essex, England -
          │     │               Bef 23 Dec 1263 bur.Earl's Colne Priory, Halstead, Great Bromley, Essex, England)
          │     │             Hawise de Quincy ( - Aft 1263 bur.Earl's Colne Priory, Halstead, Great Bromley, Essex,
          │     │               England)(m. Aft 11 Feb 1223)
          │     │                 ├─ Isabel de Vere   ( - Bef 7 Jan 1291 bur.Cowick Priory, Exeter, Devon, England)
          │     │                 │ Oliver de Dinham (Abt 1234 of Hartland, Devon, England -
          │     │                 │ :  26 Feb 1299 bur.Cowick Priory, Exeter, Devon, England)
          │     │                 │ :   └─ Josce de Dinham   (Between 1273 and 1275 of Hartland, Devon, England -
          │     │                 │ :       30 Mar 1301)  =>
          │     │                 │ :     + Margaret de Hydon ( - 15 May 1357 bur.St. Katherine's Chapel, Hemyock, Devon,
          │     │                 │ :        England)(m. Between 12 Apr 1288 and 23 Apr 1292)
          │     │                 │ John de Courtenay (of Okehampton, Devon, England -
          │     │                 │    3 May 1274 bur.Ford Abbey, Dorset, England)(m. Aft 6 Oct 1240)
          │     │                 │     └─ Hugh de Courtenay   (25 Mar 1251 of Okehampton, Devon, England -
          │     │                 │         28 Feb 1292 Colecombe, Devon, England)  =>
          │     │                 │       + Eleanor le Despenser ( - 30 Sep 1328 London, England)
          │     │                 ├─ Lora de Vere  
          │     │                 │ Reginald de Argentein ( - Bef 3 Mar 1308)
          │     │                 │     └─ John de Argentein   ( - Bef 20 Oct 1318)
          │     │                 │       + Agnes de Bereford ( - 18 Jul 1375 bur.Grey Friars, Smithfield, London,
          │     │                 │         England)(m. Bef Apr 1317)
          │     │                 └─ Robert de Vere   (Abt 1240 - Bef 7 Sep 1296 bur.Earl's Colne Priory, Halstead,
          │     │                    Great Bromley, Essex, England)
          │     │                   Alice de Sanford ( - Bef 9 Sep 1312 Canfield, Essex, England)(m. Bef 22 Feb 1252)
          │     │                       ├─ Joan de Vere   ( - Abt 23 Nov 1293 bur.Lewes Priory, Sussex, England)  =>
          │     │                       │ + William de Warenne (of Medmenham, Buckinghamshire, England -
          │     │                       │    15 Dec 1286 Croydon, Surrey, England)(m. 1284)
          │     │                       └─ Alphonse de Vere   (Bef 1262 of Aston Sanford, Buckinghamshire, England -
          │     │                           Bef 20 Dec 1328 bur.St. Albans Abbey, Hertfordshire, England)  =>
          │     │                         + Joan Foliot (m. Bef 1301)
          │     └─ Alice de Vere   (Bef 1141 - Aft 1185)
          │       Roger fitz Richard (of Warkworth, Northumberland, England - Bef 31 Dec 1177)(m. Aft 1144)
          │           ├─ Robert fitz Roger   (of Clavering, Essex, England - 1212)
          │           │ Margaret de Chesney (of Horsford, Norfolk, England - 1230)
          │           │     ├─ Alice fitz Robert   (of Warkworth, Northumberland, England - Bef 12 Apr 1225)
          │           │     │ Peter fitz Herbert (Bef 1183 of Brecknock, Breconshire, Wales -
          │           │     │    Bef 6 Jun 1235 bur.Reading, Berkshire, England)(m. Aft 28 Nov 1203)
          │           │     │     ├─ Lucy fitz Peter   (of Blaen Llyfni, Cathedine, Brecconshire, Wales -
          │           │     │     │   Aft 29 Sep 1266)
          │           │     │     │ William I de Ros (Aft 1192 of Helmsley, Yorkshire, England -
          │           │     │     │    1264 bur.Kirkham Priory, Yorkshire, England)(m. Bef 24 Jan 1234)
          │           │     │     │     ├─ Lucy de Ros   ( - Aft 1278 bur.Grey Friars, York, Yorkshire, England)  =>
          │           │     │     │     │ + William III de Kyme (of Sotby, Lincolnshire, England - Bef 3 Sep 1259)
          │           │     │     │     ├─ Robert de Ros   (of Helmsley, Yorkshire, England -
          │           │     │     │     │   17 May 1285 bur.Kirkham Priory, Yorkshire, England)  =>
          │           │     │     │     │ + Isabel d'Aubeney (Abt 1233 - 15 Jun 1301 bur.Newstead Priory, Lincolnshire,
          │           │     │     │     │   England)(m. Bef 17 May 1244)
          │           │     │     │     ├─ William de Ros   (of Ingmanthorpe in Kirk Deighton, Yorkshire, England -
          │           │     │     │     │   Bef 28 May 1310 bur.Grey Friars, York, Yorkshire, England)  =>
          │           │     │     │     │ + Eustache fitz Ralph (of Greasley, Nottinghamshire, England -
          │           │     │     │     │    Aft 1300 bur.Grey Friars, York, Yorkshire, England)(m. 1268)
          │           │     │     │     └─ Alice de Ros   ( - Bef 30 Apr 1286 bur.Friars Minor, Lincoln, Lincolnshire,
          │           │     │     │        England)  =>
          │           │     │     │       + John Comyn (of Badenoch, Scotland - Bef 18 Jul 1278)(m. Abt 1260)
          │           │     │     └─ Reynold fitz Peter   (of Blaen Llyfni, Cathedine, Brecconshire, Wales -
          │           │     │         4 May 1286)
          │           │     │       Alice de Stanford ( - Aft 24 Oct 1265)(m. Bef Sep 1249)
          │           │     │       :   ├─ Agnes Fitz Reynold   ( - Aft 1305)  =>
          │           │     │       :   │ + John de St. John (of Basing, Hampshire, England -
          │           │     │       :   │    Between 20 Sep 1302 and 29 Sep 1302)(m. Bef 29 Jun 1256)
          │           │     │       :   ├─ Eleanor fitz Reynold   ( - Aft Mar 1306)  =>
          │           │     │       :   │ + William Martin (Abt 1257 of Combe Martin, Devon, England - Bef 8 Oct 1324)
          │           │     │       :   │   (m. Bef 1 Jan 1282)
          │           │     │       :   ├─ Eleanor fitz Reynold     =>
          │           │     │       :   │ + John de Mohun (Abt 1248 of Dunster, Williton, Somerset, England -
          │           │     │       :   │    11 Jun 1279)
          │           │     │       :   └─ Katherine fitz Reynold     =>
          │           │     │       :     + John Pichard (of Stradewy, Cardiganshire, Wales - Bef 16 May 1306)
          │           │     │       :       (m. Bef 20 Jul 1277)
          │           │     │       Joan de Vivonne (1251 - 1 Jun 1314)(m. Bef 3 Jan 1279)
          │           │     │           ├─ Reynold Fitz Reynold   (of Hinton Martell, Dorset, England -
          │           │     │           │   Bef 29 Aug 1328)  =>
          │           │     │           │ + Joan Martel (Abt 1276 - Bef 1319)
          │           │     │           └─ Peter fitz Reynold   (Abt 1274 of Chewton, Somerset, England - 18 Nov 1322)  =>
          │           │     │             + Ela Martel (Abt 1273 - Bef 1309)
          │           │     └─ John fitz Robert   (of Warkworth, Northumberland, England - 1240)
          │           │       Ada de Balliol ( - 29 Jul 1251 Stokesley, Yorkshire, England)
          │           │           ├─ Hugh de Eure   (of Stokesley, Yorkshire, England - Bef 1297)
          │           │           │ Ellen ( - Aft 1295)
          │           │           │     └─ John de Eure   ( - Aft 16 Mar 1322 near Boroughbridge, Yorkshire, England)  =>
          │           │           │       + Agnes ( - Aft 13 Aug 1322)(m. Bef 1301)
          │           │           ├─ Cecily fitz John  
          │           │           │ Patrick of Dunbar (Abt 1213 - 24 Aug 1289 Whittingham, East Lothian, Scotland)
          │           │           │   (m. Bef 1242)
          │           │           │     └─ Patrick of Dunbar   (Abt 1242 - 10 Oct 1308)  =>
          │           │           │       + Marjory Comyn (m. Bef 1283)
          │           │           └─ Roger fitz John   (Aft 1219 of Warkworth, Northumberland, England -
          │           │               Bef 22 Jun 1249 Normandy, France)
          │           │             Isabel of Dunbar ( - Aft 1269)
          │           │                 └─ Robert fitz Roger   (Abt 1247 of Warkworth, Northumberland, England -
          │           │                     Bef 29 Apr 1310)  =>
          │           │                   + Margaret la Zouche (1251 Winchester, Hampshire, England - ??)(m. 1265)
          │           └─ Alice fitz Roger   ( - Aft 1190)
          │             John fitz Richard (Abt 1145 of Halton, Runcorn, Cheshire, England - 1190 Acre, Palestine)
          │                 ├─ Joan of Chester  
          │                 │ Peter de Brus (of Skelton, Yorkshire, England - 1222)
          │                 │     └─ Peter de Brus   (Bef 1201 of Skelton, Yorkshire, England - Bef 15 Nov 1240)
          │                 │       Hawise de Lancaster (m. Bef 1219)
          │                 │           ├─ Lucy de Brus   ( - Aft 29 Mar 1282)  =>
          │                 │           │ + Marmaduke de Thweng (of Kilton in Brotton, Yorkshire, England -
          │                 │           │    Between 1282 and 1284)(m. Abt 1242)
          │                 │           ├─ Agnes de Brus   ( - Between May 1276 and May 1279 bur.Guisborough Priory,
          │                 │           │  Yorkshire, England)  =>
          │                 │           │ + Walter de Faucomberge (of Rise, Holderness, Yorkshire, England -
          │                 │           │    1 Nov 1304 Rise, Holderness, Yorkshire, England)(m. Bef Nov 1243)
          │                 │           ├─ Margaret de Brus   ( - Bef 30 Jan 1307)  =>
          │                 │           │ + Robert de Ros (of Wark, Northumberland, England - Bef 20 Apr 1274)
          │                 │           └─ Ladrana de Brus   ( - Bef 1301)  =>
          │                 │             + John de Bellew (of Carlton-in-Balne in Snaith, Yorkshire, England -
          │                 │                Bef 11 Jan 1301)
          │                 └─ Roger de Lacy   (Abt 1165 of Halton, Runcorn, Cheshire, England -
          │                     1 Oct 1211 bur.Stanlaw Abbey, Wirrall, Cheshire, England)
          │                   Maud de Clare ( - 1213)
          │                       ├─ (Unknown daughter of Roger de Lacy)  
          │                       │ Alan fitz Roland ( - Abt 2 Feb 1234 bur.Dundrennan Abbey, Kircudbright, Scotland)
          │                       │   (m. Between 1200 and 1205)
          │                       │     └─ Helen of Galloway   ( - Aft 21 Nov 1245 bur.Brackley, Northamptonshire,
          │                       │        England)  =>
          │                       │       + Roger de Quincy (Abt 1195 chr.Brackley, Northamptonshire, England -
          │                       │          25 Apr 1264)
          │                       └─ John de Lacy   (Abt 1192 of Pontefract, Yorkshire, England -
          │                           22 Jul 1240 bur.Stanlaw Abbey, Wirrall, Cheshire, England)
          │                         Margaret de Quincy (Bef 1217 - Bef 30 Mar 1266 Hampstead, Middlesex, England)
          │                           (m. Bef 21 Jun 1221)
          │                             ├─ Maud de Lacy   ( - Bef 10 Mar 1289)  =>
          │                             │ + Richard de Clare (4 Aug 1222 of Clare, Suffolk, England -
          │                             │    Jul 1262 Ashenfield, Waltham, Kent, England)(m. Abt 25 Jan 1238)
          │                             └─ Edmund de Lacy   (Abt 1230 -
          │                                 2 Jun 1258 bur.Stanlaw Abbey, Wirrall, Cheshire, England)  =>
          │                               + Alice di Saluzzo ( - Between 4 Oct 1309 and 12 Jul 1311)
          │                                 (m. May 1247 Woodstock, Oxfordshire, England)
          ├─ Rohese fitz Gilbert   ( - Bef 1166)
          │ Baderon de Monmouth (Abt 1100 Monmouth, Monmouthshire, Wales - Between 1170 and 1176)
          │     └─ Rohese de Monmouth   (Between 1135 and 1140 - Abt 1180)
          │       Hugh de Lacy (of Meath, Ireland - 25 Jul 1185)(m. Bef 1155)
          │           ├─ (Unknown) de Lacy  
          │           │ William Fitz Alan (Abt 1154 of Oswestry, Shropshire, England - 1210)(m. Abt 1175)
          │           │     └─ John Fitz Alan   (of Clun, Shropshire, England - Bef 15 Mar 1240)
          │           │       Isabel d'Aubigny ( - Bef 1240)(m. Bef 1223)
          │           │           └─ John Fitz Alan   (Abt 1223 of Clun, Shropshire, England - Bef 10 Nov 1267)
          │           │             Maud de Verdun ( - 27 Nov 1283)(m. Bef 1240)
          │           │                 └─ John Fitz Alan   (14 Sep 1246 of Arundel, Sussex, England -
          │           │                     18 Mar 1272 bur.Haughmond Abbey, Shropshire, England)  =>
          │           │                   + Isabella de Mortimer ( - Bef 1 Apr 1292 bur.Haughmond Abbey, Shropshire,
          │           │                     England)(m. Bef 14 May 1260)
          │           ├─ Walter de Lacy   (Abt 1172 - Bef 24 Feb 1240)
          │           │ Margaret de Briouze (Abt 1181 - Aft 25 Jun 1245)(m. Bef 19 Nov 1200)
          │           │     ├─ Pernel de Lacy   ( - Aft 25 Nov 1288)
          │           │     │ Ralph VI de Tony (Abt 1189 of Flamstead, Hertfordshire, England -
          │           │     │    Abt 29 Sep 1239 At sea)(m. Between 1232 and 1233)
          │           │     │     ├─ Margaret de Tony  
          │           │     │     │ William de Saint Omer
          │           │     │     │     └─ Thomas de Saint Omer   (of Mulbarton, Norfolk, England -
          │           │     │     │         Between 1316 and 1319)  =>
          │           │     │     │       + Alice ( - Aft 1331)
          │           │     │     ├─ Constance de Toeni   (Between Jul 1233 and Jan 1237 - 11 Feb 1266)
          │           │     │     │ Fulk IV Fitzwarine (Abt 1208 of Whittington, Oswestry, Shropshire, England -
          │           │     │     │    14 May 1264 River Ouse, Sussex, England)(m. Aft 1238)
          │           │     │     │     └─ Fulk V Fitzwarine   (14 Sep 1251 Whittington, Oswestry, Shropshire, England -
          │           │     │     │         24 Nov 1315)  =>
          │           │     │     │       + Margaret de la Pole ( - 11 May 1336)(m. Bef 25 Feb 1277)
          │           │     │     └─ Roger V de Tony   (Abt 29 Sep 1235 of Flamstead, Hertfordshire, England -
          │           │     │         Bef 12 May 1264)
          │           │     │       Alice de Bohun ( - Aft 1255)(m. 30 Jun 1239)
          │           │     │           ├─ Alice de Tony   ( - Aft 1346)  =>
          │           │     │           │ + Walter de Beauchamp (of Alcester, Warwickshire, England -
          │           │     │           │    16 Feb 1303 Chalfont, Buckinghamshire, England)(m. Abt 1269)
          │           │     │           └─ Ralph VII de Tony   (Abt 1255 of Flamstead, Hertfordshire, England -
          │           │     │               27 May 1295 Gascony, France)  =>
          │           │     │             + Mary ( - Aft 1283)(m. Bef 1276)
          │           │     ├─ Gille de Lacy   (of Dublin, Ireland - 1242)
          │           │     │ Richard de Burgh (Abt 1193 - 1242)(m. Bef 21 Apr 1225)
          │           │     │     ├─ (Unknown) de Burgh  
          │           │     │     │ Gerald de Prendergast (of Enniscorthy in Templeshanbo, Wexford, Ireland -
          │           │     │     │    Aug 1251)
          │           │     │     │     └─ Maud de Prendergast   (Abt 1242 - Bef 1276)  =>
          │           │     │     │       + Maurice fitz Maurice (Abt 1238 - Bef 2 Sep 1277)(m. Bef 28 Oct 1259)
          │           │     │     ├─ Margery de Burgh   ( - Aft 1 Mar 1253)
          │           │     │     │ Thebaud le Boteler (Abt 1223 of Arklow, Wicklow, Ireland -
          │           │     │     │    Bef 3 Aug 1248 bur.Arklow Abbey, Wicklow, Ireland)(m. Bef 1243)
          │           │     │     │     └─ Thebaud le Boteler   (Abt 1242 - 26 Sep 1285 Arklow, Wicklow, Ireland)  =>
          │           │     │     │       + Joan fitz John ( - Between 25 Feb 1303 and 26 May 1303)(m. Bef 1269)
          │           │     │     └─ Walter de Burgh   (Abt 1229 - 28 Jul 1271 Galway Castle, Galway, Ireland)
          │           │     │       Avelina fitz John ( - Abt 20 May 1274 bur.Dunmow Priory, Little Dunmow, Essex,
          │           │     │         England)(m. Abt 1257)
          │           │     │           ├─ Giles de Burgh     =>
          │           │     │           │ + James Stewart (Abt 1243 - 16 Jul 1309)
          │           │     │           └─ Richard de Burgh   (Abt 1259 -
          │           │     │               29 Jul 1326 Monastery at Athassel-on-the-Suir, Tipperary, Ireland)  =>
          │           │     │             + Margaret ( - 1304)(m. Bef 27 Feb 1281)
          │           │     └─ Gilbert de Lacy   (of Ewyas Lacy, Herefordshire, England -
          │           │         Between 12 Aug 1230 and 15 Dec 1230)
          │           │       Isabel le Bigod
          │           │           └─ This couple were related to each other. Any descendants have been already
          │           │              been listed
          │           └─ Hugh de Lacy   (Abt 1176 -
          │               Bef 26 Dec 1242 bur.Convent of the Franciscan Friars, Carrickfergus, Antrim, Ireland)
          │             + Emeline de Ridelisford (of Bray, Berkshire, England - Between 18 May 1275 and 19 Jul 1276)
          │             + Lesceline de Verdun (m. Abt 1195)
          ├─ Margaret fitz Gilbert   ( - Aft 1185)
          │ William de Montfitchet (of Stansted Mountfitchet, Essex, England - 1137)
          │     ├─ Richard de Montfichet   (of Cargill, Perthshire, Scotland - Aft 1177)
          │     │ 
          │     │     └─ William Montfichet   ( - Aft 2 Mar 1215)
          │     │       
          │     │           └─ William Montfichet   (Bef 31 Mar 1205 - Aft 18 Apr 1241)
          │     │             
          │     │                 └─ Walter Montfichet   (Abt 1230 - Bef 19 Jan 1261)
          │     │                   Devorgilla de Abernethy ( - Aft 3 Feb 1295)
          │     │                       └─ William Montfichet   ( - Bef 1287)  =>
          │     │                         + 
          │     └─ Gilbert de Montfitchet   (Bef 1135 of Stansted Mountfitchet, Essex, England - 1186)
          │       Aveline de Lucy ( - Bef 1219)
          │           └─ Richard de Montfitchet   (Bef 1178 of Stansted Mountfitchet, Essex, England -
          │               Between 1202 and 1203)
          │             Millicent ( - Aft 1210)
          │                 ├─ Margaret de Montfitchet   (of Stansted Mountfitchet, Essex, England - ??)
          │                 │ Peter de Faucomberge (of Rise, Holderness, Yorkshire, England - Aft 19 Apr 1230)
          │                 │   (m. Aft Oct 1214)
          │                 │     ├─ Walter de Faucomberge   (of Rise, Holderness, Yorkshire, England -
          │                 │     │   1 Nov 1304 Rise, Holderness, Yorkshire, England)
          │                 │     │ Agnes de Brus ( - Between May 1276 and May 1279 bur.Guisborough Priory, Yorkshire,
          │                 │     │   England)(m. Bef Nov 1243)
          │                 │     │     └─ Walter de Faucomberge   (Abt 1254-1264 of Skelton, Yorkshire, England -
          │                 │     │         31 Dec 1318)  =>
          │                 │     │       + Isabel de Ros
          │                 │     │       + Alice de Killingholm (of Boythorpe, Yorkshire, England - 22 Jun 1356)
          │                 │     └─ Aveline de Faucomberge  
          │                 │       Giles de Goushill (of Goxhill, Glanford Brigg, Lincolnshire, England -
          │                 │          Aft 8 Feb 1267)
          │                 │           └─ Peter de Goushill   (of Goxhill, Glanford Brigg, Lincolnshire, England -
          │                 │               Bef 13 Jun 1286)  =>
          │                 │             + Ela de Camoys ( - Bef 12 Aug 1295)
          │                 └─ Philippe de Montfitchet  
          │                   Hugh de Plaiz (of Feltwell, Norfolk, England - Bef 8 Aug 1244)
          │                       └─ Richard de Plaiz   (of Wivenhoe, Sussex, England - Bef 8 Jul 1269)
          │                         Joan ( - Aft 1301)
          │                             └─ Giles de Plaiz   (of Battleswick, Essex, England - Bef 15 Oct 1302)  =>
          │                               + Joan ( - Aft Mar 1333)
          ├─ Richard fitz Gilbert de Clare   (Abt 1090 Hertford, Hertfordshire, England -
          │   15 Apr 1136 Abergavenny, Monmouthshire, Wales)
          │ Alice of Chester ( - Aft 1148)
          │     ├─ Rohese de Clare  
          │     │ Robert fitz Robert (of Ilkey, Yorkshire, England - Bef 1175)(m. Bef 1163)
          │     │     └─ Rohese de Clare   ( - Aft 1227 bur.Bullington Priory, Lincolnshire, England)
          │     │       Simon III de Kyme (of Sotby, Lincolnshire, England - Bef 11 Feb 1219)(m. Bef 1176)
          │     │           └─ Philip II de Kyme   (of Sotby, Lincolnshire, England - Bef 30 May 1242)
          │     │             Agnes
          │     │                 └─ William III de Kyme   (of Sotby, Lincolnshire, England - Bef 3 Sep 1259)
          │     │                   Lucy de Ros ( - Aft 1278 bur.Grey Friars, York, Yorkshire, England)
          │     │                       └─ Philip de Kyme   (Aft 1238 of Sotby, Lincolnshire, England - 1 Mar 1323)  =>
          │     │                         + Joan le Bigod (m. Abt 1280)
          │     └─ Roger de Clare   (1116 Tunbridge Castle, Kent, England -
          │         1173 bur.Stoke by Clare Priory, Suffolk, England)
          │       Maud de St. Hilary (of Field Dalling, Norfolk, England -
          │          24 Dec 1193 bur.Priory of Great Carbrooke, Norfolk, England)
          │           ├─ Richard de Clare   (Abt 1153 of Clare, Suffolk, England -
          │           │   Between 30 Oct 1217 and 28 Nov 1217)
          │           │ Amice of Gloucester ( - 1 Jan 1225)(m. Abt 1180)
          │           │     ├─ Maud de Clare   ( - 1213)
          │           │     │ Roger de Lacy (Abt 1165 of Halton, Runcorn, Cheshire, England -
          │           │     │ :  1 Oct 1211 bur.Stanlaw Abbey, Wirrall, Cheshire, England)
          │           │     │ :   └─ This couple were related to each other. Any descendants have been already
          │           │     │ :      been listed
          │           │     │ William de Briouze ( - 1210 Windsor, Berkshire, England)(m. Bef 1198)
          │           │     │     ├─ Maud de Briouze  
          │           │     │     │ Henry de Tracy (of Barnstaple, Devon, England - Bef 21 Aug 1274)(m. Bef May 1220)
          │           │     │     │     └─ Eve de Tracy   (Bef 1227 - Bef 1274)  =>
          │           │     │     │       + Guy de Bryan (of Laugharne, Carmarthenshire, Wales - Aft 1267)
          │           │     │     └─ John de Brewes   (Abt 1197 of Gower, Swansea, Wales - Between 1231 and 1232)
          │           │     │       Margaret ferch Llywelyn ( - 1265)(m. 1219)
          │           │     │           ├─ William de Brewes   (Abt 1224 of Bramber, Sussex, England -
          │           │     │           │   6 Jan 1291 Findon, Sussex, England)  =>
          │           │     │           │ + Agnes de Moels ( - Bef 1271)
          │           │     │           │ + Aline de Multon ( - Bef 1268)(m. Bef 1253)
          │           │     │           │ + Mary de Ros ( - Bef 23 May 1326)(m. Bef 1272)
          │           │     │           └─ Richard de Brewes   (Bef 1232 of Stinton in Salle and Heydon, Norfolk,
          │           │     │              England - Bef 18 Jun 1292 bur.Woodbridge Priory, Suffolk, England)  =>
          │           │     │             + Alice le Rus (Abt 1247 - Bef 28 Jan 1301 bur.Woodbridge Priory, Suffolk,
          │           │     │               England)(m. Bef 9 Sep 1265)
          │           │     ├─ Hawise de Clare   ( - Aft 1234)
          │           │     │ Geoffrey de Say (Abt 1180 of Edmonton, Middlesex, England -
          │           │     │    19 Aug 1230 Poitou, Aquitaine, France)(m. Bef 1215)
          │           │     │     └─ William de Say   (of Edmonton, Middlesex, England - Bef 12 Feb 1272)
          │           │     │       Sibyl
          │           │     │           ├─ Hawise de Say   ( - Aft 1317)  =>
          │           │     │           │ + John Marshal (Abt 1257 of Hingham, Norfolk, England - Bef 4 Dec 1282)
          │           │     │           │   (m. Aft 1267)
          │           │     │           ├─ Agnes de Say     =>
          │           │     │           │ + Alexander de Cheyne (of Titeburst in Aldenham, Hertfordshire, England -
          │           │     │           │    Bef 22 May 1296)(m. Abt 1268)
          │           │     │           └─ William de Say   (20 Nov 1253 of Edmonton, Middlesex, England -
          │           │     │               Bef 16 Sep 1295)  =>
          │           │     │             + Elizabeth ( - Aft 1307)
          │           │     └─ Gilbert de Clare   (Abt 1180 - 25 Oct 1230 Penrose, Brittany, France)
          │           │       Isabel Marshal (9 Oct 1200 Pembroke, Pembrokeshire, Wales -
          │           │          17 Jan 1240 Berkhamsted, Hertfordshire, England)(m. 9 Oct 1217)
          │           │           ├─ Amice de Clare   (27 May 1220 - Bef 21 Jan 1284)
          │           │           │ Baldwin de Revières ( - 15 Feb 1245 bur.Breamore Priory, Hampshire, England)
          │           │           │   (m. 1226)
          │           │           │     └─ Baldwin de Revières   (1 Jan 1236 - Bef 13 Sep 1262 France)
          │           │           │       + Margaret of Savoy ( - Bef 14 May 1292)(m. 1257)
          │           │           ├─ Richard de Clare   (4 Aug 1222 of Clare, Suffolk, England -
          │           │           │   Jul 1262 Ashenfield, Waltham, Kent, England)
          │           │           │ + Margaret de Burgh ( - Nov 1237)(m. Bef 29 Sep 1236 St. Edmundsbury Cathedral, Bury
          │           │           │ : St. Edmunds, Suffolk, England)
          │           │           │ Maud de Lacy ( - Bef 10 Mar 1289)(m. Abt 25 Jan 1238)
          │           │           │     ├─ Thomas de Clare   (Between 1243 and 1248 - 29 Aug 1287 Ireland)  =>
          │           │           │     │ + Juliane fitz Maurice (of Offaly, Ireland - Bef 24 Sep 1300)
          │           │           │     │   (m. Bef 18 Feb 1275)
          │           │           │     ├─ Gilbert de Clare   (2 Sep 1243 Christchurch, Hampshire, England -
          │           │           │     │   7 Dec 1295 Monmouth Castle, Monmouthshire, Wales)  =>
          │           │           │     │ + Alice de Lusignan (Aft Oct 1236 of Angoulême, Aquitaine, France - May 1290)
          │           │           │     │ : (m. 1253)
          │           │           │     │ + Joan of Acre (1272 Acre, Palestine - 23 Apr 1307 Clare, Suffolk, England)
          │           │           │     │   (m. May 1290 Westminster Abbey, Westminster, Middlesex, England)
          │           │           │     └─ Rose de Clare   (17 Aug 1252 - Aft 1315 bur.Church of the Friars Preachers,
          │           │           │        Pontefract, Yorkshire, England)  =>
          │           │           │       + Roger de Mowbray (Abt 1257 of the Isle of Axholme, Lincolnshire, England -
          │           │           │         1296 bur.Church of the Friars Preachers, Pontefract, Yorkshire,
          │           │           │         England)(m. Aft 15 Jul 1270)
          │           │           └─ Isabel de Clare   (2 Nov 1226 - Aft 10 Jul 1264)
          │           │             Robert de Brus (Abt 1220 of Annandale, Dumfriesshire, Scotland -
          │           │                31 Mar 1295 Lochmaben Castle, Dumfriesshire, Scotland)(m. May 1240)
          │           │                 ├─ Isabel de Brus   ( - ?? bur.Easington, Durham, England)  =>
          │           │                 │ + John fitz Marmaduke (of Horden, Durham, England -
          │           │                 │    Bef 16 Aug 1311 bur.Durham Cathedral, Durham, Durham, England)
          │           │                 └─ Robert de Brus   (Jul 1243 - 4 Apr 1304 England)  =>
          │           │                   + Marjory of Carrick (Abt 1252 - Bef Nov 1292)(m. Abt 1273)
          │           └─ Aveline de Clare   (Abt 1172 - Bef 4 Jun 1225)
          │             William de Munchensy (of Winfarthing, Norfolk, England -
          │             :  Bef 7 May 1204 Swanscombe, Dartford, Kent, England)(m. Bef 1186)
          │             :   └─ Warin de Munchensy   (of Winfarthing, Norfolk, England - Abt 20 Jul 1255)
          │             :     + Denise de Anesty ( - 1304)
          │             :     Joan Marshal ( - Bef Nov 1234)(m. Aft 14 May 1219)
          │             :         └─ Joan de Munchensy   ( - Bef 30 Sep 1307)
          │             :           William de Valence (Bef 1225 - 16 May 1296 Brabourne, Kent, England)
          │             :             (m. 13 Aug 1247)
          │             :               ├─ Isabel de Valence   ( - 3 Oct 1305 bur.Grey Friars, Coventry, Warwickshire,
          │             :               │  England)  =>
          │             :               │ + John de Hastings (of Abergavenny, Monmouthshire, Wales - 10 Feb 1313
          │             :               │   bur.Grey Friars, Salisbury, Wiltshire, England)(m. Aft 15 Jul 1275)
          │             :               └─ Joan de Valence     =>
          │             :                 + John Comyn (of Badenoch, Scotland - 10 Feb 1306 Dumfries, Scotland)
          │             :                   (m. Bef 3 Sep 1296)
          │             Geoffrey fitz Peter (of Pleshy, Essex, England -
          │                14 Oct 1213 bur.Shouldham Priory, Norfolk, England)(m. Bef 29 May 1205)
          │                 ├─ Hawise fitz Geoffrey   ( - Bef 1243)
          │                 │ Reynold II de Mohun (Abt 1206 of Dunster, Williton, Somerset, England -
          │                 │    20 Jan 1258 Torre Mohun, Devon, England)(m. Aft 8 Nov 1227)
          │                 │     ├─ Alice de Mohun   (of Dunster, Williton, Somerset, England - Aft 1265)
          │                 │     │ Robert V de Beauchamp (Bef 1224 of Hatch Beauchamp, Taunton, Somerset, England -
          │                 │     │    Bef 25 Oct 1263)(m. Bef 16 Dec 1246)
          │                 │     │     ├─ John de Beauchamp   (Bef 1247 -
          │                 │     │     │   24 Oct 1283 Hatch Beauchamp, Taunton, Somerset, England)  =>
          │                 │     │     │ + Cecily de Vivonne (Abt 1257 Chewton, Somerset, England -
          │                 │     │     │    10 Jan 1320 Stoke-under-Hamden, Somerset, England)
          │                 │     │     ├─ Humphrey de Beauchamp   (Bef Mar 1253 of Ryme Intrinseca, Dorset, England -
          │                 │     │     │   Bef 9 Feb 1317)  =>
          │                 │     │     │ + Sibyl Oliver (of Wambrook, Dorset, England - Aft 1306)(m. Aft 1276)
          │                 │     │     └─ Mary de Beauchamp   (Abt 1258 - Aft 1309)  =>
          │                 │     │       + Hamon de Mascy (Abt 1256 of Dunham Massey, Bucklow, Cheshire, England -
          │                 │     │          Bef Apr 1334)(m. Bef 1280)
          │                 │     ├─ Lucy de Mohun   ( - Aft 1280)
          │                 │     │ John de Grey (of Codnor, Derbyshire, England - Bef 5 Jan 1272)
          │                 │     │     └─ Henry de Grey   (Between 1255 and 1258 of Codnor, Derbyshire, England -
          │                 │     │         Sep 1308)  =>
          │                 │     │       + Eleanor ( - Bef 6 Jun 1301)(m. Bef 1282)
          │                 │     │       + Joan de Somerville (m. Bef 6 Jun 1301)
          │                 │     └─ John de Mohun   ( - 1254 Gascony, France)
          │                 │       Joan de Ferrers ( - Bef Oct 1267)(m. Aft 1245)
          │                 │           └─ John de Mohun   (Abt 1248 of Dunster, Williton, Somerset, England -
          │                 │               11 Jun 1279)  =>
          │                 │             + Eleanor fitz Reynold
          │                 ├─ Cecily fitz Geoffrey  
          │                 │ Savary de Bohun (of Midhurst, Sussex, England - Aft 1247)
          │                 │     ├─ Frank de Bohun   (of Midhurst, Sussex, England - 14 Sep 1273)
          │                 │     │ Sibyl de Ferrers ( - Bef 1260)(m. Bef 21 Sep 1247)
          │                 │     │     └─ John de Bohun   (of Midhurst, Sussex, England - 28 Sep 1284)  =>
          │                 │     │       + Joan de la Chapelle (Abt 1256 - Bef 23 Mar 1328)(m. Bef 1275)
          │                 │     └─ Joan de Bohun   ( - 24 Jun 1282)
          │                 │       + Stephen de Somery (of Haslingfield, Cambridgeshire, England - Bef 23 Jan 1239)
          │                 │       + Godfrey de Crowcombe (of Milton, Cambridgeshire, England - Abt Nov 1246)
          │                 │       : (m. Bef 1241)
          │                 │       Ebal de Mont (of Milton, Cambridgeshire, England - 1268)(m. Bef 11 Apr 1252)
          │                 │           └─ Eleanor de Mont   ( - Bef 14 Aug 1282)  =>
          │                 │             + John le Strange (Abt 1254 of Knockin, Shropshire, England - Bef 8 Aug 1309)
          │                 │               (m. Between 13 Oct 1275 and 1 Jun 1276)
          │                 └─ John fitz Geoffrey   (Abt 1205 of Shere, Surrey, England - 23 Nov 1258)
          │                   Isabel le Bigod (m. Bef 12 Apr 1234)
          │                       └─ This couple were related to each other. Any descendants have been already
          │                          been listed
          └─ Gilbert "Strongbow" fitz Gilbert   (Abt 1100 - 6 Jan 1148 bur.Tintern Abbey, Monmouthshire, Wales)
            Isabel de Beaumont ( - Aft 1172)
                └─ Richard "Strongbow" fitz Gilbert   (Abt 1130 - Abt 20 Apr 1176 Dublin, Ireland)
                  (Unknown mistress of Richard de Clare)
                  :   └─ (Unknown) de Clare  
                  :     Robert de Quincy ( - 1172)(m. 1171)
                  :         └─ Maud de Quincy   (1172 - ??)
                  :           Philip de Prendergast (of Enniscorthy in Templeshanbo, Wexford, Ireland - Aug 1229)
                  :               └─ Gerald de Prendergast   (of Enniscorthy in Templeshanbo, Wexford, Ireland -
                  :                   Aug 1251)
                  :                 (Unknown) de Burgh
                  :                 :   └─ This couple were related to each other. Any descendants have been already
                  :                 :      been listed
                  :                 + Maud Walter
                  Eve of Leinster (Abt 1145 - Aft 1185 bur.Tintern Abbey, Monmouthshire, Wales)
                    (m. Abt 26 Aug 1170 Waterford, Munster, Ireland)
                      └─ Isabel de Clare   (1173 - 7 Mar 1220 bur.Tintern Abbey, Monmouthshire, Wales)
                        William Marshal (Abt 1146 - 14 May 1219 Caversham, Oxfordshire, England)
                          (m. Aug 1189 London, England)
                            ├─ Eve Marshal   ( - Between Jan 1242 and 1246)
                            │ William de Briouze (of Abergavenny, Monmouthshire, Wales - 2 May 1230)
                            │     ├─ Eve de Briouze   ( - Between 20 Jul 1255 and 28 Jul 1255)
                            │     │ William III de Cantelowe (of Calne, Wiltshire, England -
                            │     │    25 Sep 1254 Calstone, Wiltshire, England)(m. Bef 1241)
                            │     │     ├─ Joan de Cantelowe   (of Abergavenny, Monmouthshire, Wales - Aft 1269)  =>
                            │     │     │ + Henry de Hastings (of Ashill, Norfolk, England - 1268)(m. Bef 1262)
                            │     │     ├─ Milicent de Cantelowe   ( - Bef 7 Jan 1299)  =>
                            │     │     │ + Eudes la Zouche (of Harringworth, Northamptonshire, England -
                            │     │     │    Between 25 Apr 1279 and 25 Jun 1279)(m. Bef 24 Mar 1269)
                            │     │     └─ George de Cantelowe   (29 Mar 1252 Abergavenny, Monmouthshire, Wales -
                            │     │         18 Oct 1273)
                            │     │       + Margaret de Lacy ( - ?? bur.Church of the Friars Preachers, Pontefract,
                            │     │         Yorkshire, England)(m. Aft 1 Sep 1254)
                            │     ├─ Maud de Briouze   ( - 16 Mar 1301)
                            │     │ Roger de Mortimer (of Wigmore, Herefordshire, England -
                            │     │    27 Oct 1282 Kingsland, Herefordshire, England)(m. Bef 1248)
                            │     │     ├─ Isabella de Mortimer   ( - Bef 1 Apr 1292 bur.Haughmond Abbey, Shropshire,
                            │     │     │  England)  =>
                            │     │     │ + John Fitz Alan (14 Sep 1246 of Arundel, Sussex, England - 18 Mar 1272
                            │     │     │   bur.Haughmond Abbey, Shropshire, England)(m. Bef 14 May 1260)
                            │     │     └─ Edmund de Mortimer   (Between 1251 and 1254 of Wigmore, Herefordshire,
                            │     │        England - 17 Jul 1304 Wigmore Castle, Herefordshire, England)  =>
                            │     │       + Margaret de Fiennes ( - 7 Feb 1344)(m. Bef 12 Dec 1285)
                            │     └─ Eleanor de Briouze   ( - Bef 25 Jun 1252 bur.Llanthony Priory, outside Gloucester,
                            │         Gloucestershire, England)
                            │       Humphrey de Bohun (of Havering, Essex, England -
                            │          27 Oct 1265 Beeston Castle, Cheshire, England)
                            │           ├─ Eleanor de Bohun   ( - 20 Feb 1314 bur.Walden Abbey, Essex, England)  =>
                            │           │ + Robert de Ferrers (Abt 1239 - Abt 1279 bur.St. Thomas Priory, Staffordshire,
                            │           │   England)(m. 26 Jun 1269)
                            │           └─ Humphrey de Bohun   (Abt Sep 1248 - 31 Dec 1298 Pleshey, Essex, England)  =>
                            │             + Maud de Fiennes ( - Bef 31 Dec 1298 bur.Walden Abbey, Essex, England)
                            │               (m. Bef 20 Jul 1275)
                            ├─ Joan Marshal   ( - Bef Nov 1234)
                            │ Warin de Munchensy (of Winfarthing, Norfolk, England - Abt 20 Jul 1255)
                            │   (m. Aft 14 May 1219)
                            │     └─ This couple were related to each other. Any descendants have been already
                            │        been listed
                            ├─ Walter Marshal   ( - 24 Nov 1245 Goodrich Castle, Herefordshire, England)
                            │ + Margaret de Quincy (Bef 1217 - Bef 30 Mar 1266 Hampstead, Middlesex, England)
                            │   (m. Jan 1242)
                            ├─ William Marshal   (Abt 1190 - 24 Apr 1231 bur.New Temple Church, London, England)
                            │ + Eleanor of England (1215 - 13 Apr 1275 Montargis Abbey, Loiret, France)(m. 23 Apr 1224)
                            ├─ Maud Marshal, Marshal Of England   (1192 - 27 Mar 1248 bur.Tintern Abbey, Monmouthshire,
                            │   Wales)
                            │ Hugh II le Bigod ( - Between 11 Feb 1225 and 18 Feb 1225)(m. 1207)
                            │ :   └─ This couple were related to each other. Any descendants have been already
                            │ :      been listed
                            │ William de Warenne (of Lewes, Sussex, England - 27 May 1240 London, England)
                            │   (m. Bef 13 Oct 1225)
                            │     └─ John de Warenne   (Aft Jul 1231 -
                            │         Abt 29 Sep 1304 Kennington, near London, England)
                            │       Alice de Lusignan ( - 9 Feb 1256 bur.Lewes Priory, Sussex, England)(m. Aug 1247)
                            │           ├─ William de Warenne   (of Medmenham, Buckinghamshire, England -
                            │           │   15 Dec 1286 Croydon, Surrey, England)  =>
                            │           │ + Joan de Vere ( - Abt 23 Nov 1293 bur.Lewes Priory, Sussex, England)(m. 1284)
                            │           └─ Eleanor de Warenne   (1251 - Aft 1282 bur.Sallay Abbey, Yorkshire, England)  =>
                            │             + Henry de Percy (Abt 1235 of Topcliffe, Yorkshire, England - 29 Aug 1272
                            │               bur.Sallay Abbey, Yorkshire, England)(m. 8 Sep 1268 York, Yorkshire,
                            │               England)
                            ├─ Isabel Marshal   (9 Oct 1200 Pembroke, Pembrokeshire, Wales -
                            │   17 Jan 1240 Berkhamsted, Hertfordshire, England)
                            │ Gilbert de Clare (Abt 1180 - 25 Oct 1230 Penrose, Brittany, France)(m. 9 Oct 1217)
                            │ :   └─ This couple were related to each other. Any descendants have been already
                            │ :      been listed
                            │ + Richard of Cornwall, King of the Romans (5 Jan 1209 Winchester Castle, Hampshire,
                            │   England - 2 Apr 1272 Berkhamsted, Hertfordshire, England)(m. 30 Mar 1231 Fawley,
                            │   Buckinghamshire, England)
                            └─ Sybil Marshal   (Abt 1204 - Bef 1238)
                              William de Ferrers (Abt 1193 of Tutbury, Burton-on-Trent, Staffordshire, England -
                                 24 Mar 1254 Evington, Leicestershire, England)(m. Bef 14 May 1219)
                                  ├─ Agnes de Ferrers   ( - 11 May 1290)
                                  ├─ Joan de Ferrers   ( - Bef Oct 1267)
                                  │ Robert Aguillon (of Addington, Surrey, England - 15 Feb 1286)
                                  │ :   ├─ Margery Aguillon     =>
                                  │ :   │ + Giles de Argentein ( - Bef 24 Nov 1242)
                                  │ :   └─ Isabel Aguillon   (25 Mar 1258 of Addington, Surrey, England -
                                  │ :       Bef 28 May 1323)  =>
                                  │ :     + Hugh Bardolf (Abt 29 Sep 1259 of Wormegay, Norfolk, England -
                                  │ :        Bef 20 Aug 1304)(m. Bef 1282)
                                  │ John de Mohun ( - 1254 Gascony, France)(m. Aft 1245)
                                  │     └─ This couple were related to each other. Any descendants have been already
                                  │        been listed
                                  ├─ Isabel de Ferrers   ( - Bef 11 Nov 1260)
                                  ├─ Agatha de Ferrers   ( - 22 May 1306)
                                  ├─ Eleanor de Ferrers   ( - Bef 26 Oct 1274)
                                  │ + Roger de Quincy (Abt 1195 chr.Brackley, Northamptonshire, England - 25 Apr 1264)
                                  ├─ John de Ferrers   ( - Bef 1238)
                                  ├─ Sibyl de Ferrers   ( - Bef 1260)
                                  │ Frank de Bohun (of Midhurst, Sussex, England - 14 Sep 1273)(m. Bef 21 Sep 1247)
                                  │     └─ This couple were related to each other. Any descendants have been already
                                  │        been listed
                                  └─ Maud de Ferrers   (Abt 1230 - 12 Mar 1299)
                                    William de Forz (of Chewton, Somerset, England - Bef 22 May 1259)
                                      (m. Abt 30 Jul 1248)
                                        ├─ Joan de Vivonne   (1251 - 1 Jun 1314)  =>
                                        │ + Reynold fitz Peter (of Blaen Llyfni, Cathedine, Brecconshire, Wales -
                                        │    4 May 1286)(m. Bef 3 Jan 1279)
                                        └─ Cecily de Vivonne   (Abt 1257 Chewton, Somerset, England -
                                            10 Jan 1320 Stoke-under-Hamden, Somerset, England)  =>
                                          + John de Beauchamp (Bef 1247 -
                                             24 Oct 1283 Hatch Beauchamp, Taunton, Somerset, England)
Number of people in this chart: 620 (including 316 spouses and 1 parent) in 8 generations.
Links to charts that show additional descendants: 116
Lines that wrap to another line: 244
Chart Summary