Nielsen Hayden genealogy
Descendants of Maud de St. Valéry
Abt 1150 - 1210 (~ 60 years)Father: Bernard de St. Valéry (of Hinton Waldrist, Berkshire, England - 1190)
Mother: Matilda ( - Abt 1151)
Maud de St. Valéry (Abt 1150 - 1210 Windsor, Berkshire, England)
William de Briouze (of Briouze, Normandy, France - 9 Aug 1211 Corbeil, near Paris, France)
   ├─ William de Briouze ( - 1210 Windsor, Berkshire, England)
   │ Maud de Clare ( - 1213)(m. Bef 1198)
   │    ├─ Maud de Briouze
   │    │ Henry de Tracy (of Barnstaple, Devon, England - Bef 21 Aug 1274)(m. Bef May 1220)
   │    │     + 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) =>
   │         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)
   │         (m. Bef 9 Sep 1265)
   ├─ Reynold de Briouze (of Abergavenny, Monmouthshire, Wales - Between 1227 and 1228)
   │ Grace Briwerre ( - Bef 1215)
   │ :   └─ William de Briouze (of Abergavenny, Monmouthshire, Wales - 2 May 1230)
   │ :    Eve Marshal ( - Between Jan 1242 and 1246)
   │ :       ├─ 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)
   │ :       │ (m. Bef 1241)
   │ :       │ + Roger de Mortimer (of Wigmore, Herefordshire, England -
   │ :       │ 27 Oct 1282 Kingsland, Herefordshire, England)(m. Bef 1248)
   │ :       │ 27 Oct 1282 Kingsland, Herefordshire, England)(m. Bef 1248)
   │ :       └─ Eleanor de Briouze ( - Bef 25 Jun 1252 bur.Llanthony Priory, outside Gloucester, Gloucestershire,
   │ :        England) =>
   │ :        England) =>
   │ :        + Humphrey de Bohun (of Havering, Essex, England - 27 Oct 1265 Beeston Castle, Cheshire, England)
   │ + Gwladus Ddu ( - 1251 Windsor, Berkshire, England)(m. 1215)
   ├─ Bertha de Briouze
   │ William de Beauchamp (of Elmley Castle, Worcestershire, England - 1197 Normandy, France)
   │    ├─ Andrew de Beauchamp (of Thenford, Northamptonshire, England - Aft 1213)
   │    │ Eve de Grey (of Standlake, Oxfordshire, England - 1242)(m. Bef 1198)
   │    │     + Ernald du Bois (Aft 1185 of Assington, Suffolk, England - Abt 1254)(m. Bef 1246)
   │    └─ Walter de Beauchamp (of Elmley and Salwarpe, Worcestershire, England - 1236)
   │     + Ankaret ( - Bef 1286)
   │     Joan de Mortimer ( - 1225)(m. Abt 10 Jul 1214)
   │        └─ William de Beauchamp (1215 of Elmley Castle, Worcestershire, England -
   │         Between 7 Jan 1268 and 21 Apr 1268) =>
   │         Between 7 Jan 1268 and 21 Apr 1268) =>
   │         + Isabel Mauduit ( - Bef 1267 bur.Cokehill Nunnery, Worcestershire, England)
   ├─ Matilda de Briouze ( - 29 Dec 1210 Llanbardarn Fawr, Ceredigion, Wales)
   │ Gruffudd ab Yr Arglwydd Rhys ( - 25 Jul 1201 Strata Florida Abbey, Ceredigion, Wales)
   │    └─ Owain ap Gruffudd ab Yr Arglwydd Rhys ( - 18 Jan 1236 Strata Florida Abbey, Ceredigion, Wales)
   │     (Unknown daughter of Gwion Sais)
   │        └─ Maredudd ab Owain ap Gruffudd ab Yr Arglwydd Rhys ( - Mar 1265 Llanbardarn Fawr, Ceredigion,
   │         Wales) =>
   │         Wales) =>
   │         + (Unknown daughter of Thomas ap Rhodri)
   └─ Margaret de Briouze (Abt 1181 - Aft 25 Jun 1245)
    Walter de Lacy (Abt 1172 - Bef 24 Feb 1240)(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)
       │ (m. Between 1232 and 1233)
       │    │ + William de Saint Omer
       │    ├─ 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)
       │    │ 14 May 1264 River Ouse, Sussex, England)(m. Aft 1238)
       │    └─ 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)
       ├─ Gille de Lacy (of Dublin, Ireland - 1242)
       │ Richard de Burgh (Abt 1193 - 1242)(m. Bef 21 Apr 1225)
       │    │ + Gerald de Prendergast (of Enniscorthy in Templeshanbo, Wexford, Ireland - Aug 1251)
       │    │ + Thebaud le Boteler (Abt 1223 of Arklow, Wicklow, Ireland -
       │    │ Bef 3 Aug 1248 bur.Arklow Abbey, Wicklow, Ireland)(m. Bef 1243)
       │    │ Bef 3 Aug 1248 bur.Arklow Abbey, Wicklow, Ireland)(m. Bef 1243)
       │    └─ 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)
       │     (m. Abt 1257)
       └─ Gilbert de Lacy (of Ewyas Lacy, Herefordshire, England - Between 12 Aug 1230 and 15 Dec 1230)
        Isabel le Bigod
           │ + Geoffrey de Geneville (Aft 1225 - 21 Oct 1314 House of the Friars Preachers, Trim, Meath, Ireland)
           │ (m. 4 Aug 1252 Woodstock, Oxfordshire, England)
           │ (m. 4 Aug 1252 Woodstock, Oxfordshire, England)
            + John de Verdun (Abt 1226 of Alton, Staffordshire, England - Bef 17 Oct 1274)(m. Bef 20 Apr 1242)