Nielsen Hayden genealogy
Descendants of Thomas de Clare
1248 - 1287 (~ 44 years)Father: Richard de Clare (4 Aug 1222 of Clare, Suffolk, England - Jul 1262 Ashenfield, Waltham, Kent, England)
Mother: Maud de Lacy ( - Bef 10 Mar 1289)
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)
   ├─ Maud de Clare ( - 1 Feb 1325)
   │ Robert de Clifford (Abt 1 Apr 1274 - 24 Jun 1314 Bannockburn, Stirlingshire, Scotland)(m. 13 Nov 1295)
   │    ├─ Idoine de Clifford (of Appleby, Westmorland, England -
   │    │ 24 Aug 1365 bur.Beverley Minster, Yorkshire, England)
   │    │ 24 Aug 1365 bur.Beverley Minster, Yorkshire, England)
   │    │ Henry de Percy (1299 - 26 Feb 1352 Warkworth, Northumberland, England)(m. Abt 1318)
   │    │    ├─ Isabel Percy ( - Between 13 Sep 1349 and 25 May 1368) =>
   │    │    │ + William de Aton (Abt 1299 - 10 Feb 1388 bur.Old Malton Priory, Yorkshire, England)(m. Bef Jan 1327)
   │    │    ├─ Eleanor de Percy ( - Bef 18 Oct 1361 bur.Dunmow Priory, Little Dunmow, Essex, England) =>
   │    │    │ + John Fitz Walter (Abt 1315 - 18 Oct 1361 bur.Dunmow Priory, Little Dunmow, Essex, England)
   │    │    ├─ Henry de Percy (Between 1322 and 1325 of Alnwick, Northumberland, England -
   │    │    │ Abt 18 May 1368 Warkworth, Northumberland, England) =>
   │    │    │ Abt 18 May 1368 Warkworth, Northumberland, England) =>
   │    │    │ + Mary of Lancaster (Abt 1320 - 1 Sep 1362 bur.Alnwick Abbey, Northumberland, England)
   │    │    │ (m. Bef 5 Sep 1334)
   │    │    │ (m. Bef 5 Sep 1334)
   │    │    └─ Maud Percy (Abt 1345 Alnwick, Northumberland, England -
   │    │     Bef 18 Feb 1379 bur.Durham Cathedral, Durham, Durham, England) =>
   │    │     Bef 18 Feb 1379 bur.Durham Cathedral, Durham, Durham, England) =>
   │    │     + John de Neville (Abt 1330 - 17 Oct 1388 Newcastle-upon-Tyne, Northumberland, England)(m. Bef 1362)
   │    ├─ Margaret de Clifford ( - 8 Aug 1382)
   │    │ Peter de Mauley (Abt 1300 of Mulgrave, Yorkshire, England - 18 Jan 1355)(m. Bef 16 Apr 1322)
   │    │    └─ Peter de Mauley (Abt 1331 of Mulgrave, Yorkshire, England - 19 Mar 1383) =>
   │    │     + Elizabeth de Meinell (15 Oct 1331 Whorlton, Yorkshire, England - 9 Jul 1368)(m. Bef 18 Nov 1356)
   │    └─ Robert de Clifford (5 Nov 1305 of Appleby, Westmorland, England -
   │     20 May 1344 bur.Shap Abbey, Westmorland, England)
   │     20 May 1344 bur.Shap Abbey, Westmorland, England)
   │     Isabel de Berkeley ( - 25 Jul 1362)(m. Jun 1328 Berkeley Castle, Berkeley, Gloucestershire, England)
   │        └─ Roger de Clifford (10 Jul 1333 of Appleby, Westmorland, England - 13 Jul 1389) =>
   │         + Maud de Beauchamp ( - 1403)(m. Bef 20 Mar 1357)
   └─ Margaret de Clare (Between 1286 and 1287 - 1333)
    + Gilbert de Umfreville ( - Bef 23 May 1303 bur.Hexham Priory, Northumberland, England)(m. 1289)
    Bartholomew de Badlesmere (Abt 1275 of Badlesmere, Kent, England - 12 Apr 1322 Canterbury, Kent, England)
    (m. Bef 29 Sep 1305)
    (m. Bef 29 Sep 1305)
       ├─ Margery de Badlesmere (Abt 1306 - 18 Oct 1363)
       │ William IV de Ros (Abt 1288 of Helmsley, Yorkshire, England -
       │ 3 Feb 1343 bur.Kirkham Priory, Yorkshire, England)(m. Bef 25 Nov 1316)
       │ 3 Feb 1343 bur.Kirkham Priory, Yorkshire, England)(m. Bef 25 Nov 1316)
       │    │ + William la Zouche (1321 of Harringworth, Northamptonshire, England -
       │    │ 23 Apr 1382 bur.Biddlesden Abbey, Buckinghamshire, England)(m. Bef 16 Jul 1334)
       │    │ 23 Apr 1382 bur.Biddlesden Abbey, Buckinghamshire, England)(m. Bef 16 Jul 1334)
       │    ├─ Maud de Ros (Abt 1331 of Helmsley, Yorkshire, England - 9 Dec 1388) =>
       │    │ + John de Welle (23 Aug 1334 Bonthorpe, Willoughby, Lincolnshire, England - 11 Oct 1361)
       │    └─ Thomas de Ros (13 Jan 1337 Stoke Albany, Northamptonshire, England -
       │     8 Jun 1384 Uffington, Lincolnshire, England) =>
       │     8 Jun 1384 Uffington, Lincolnshire, England) =>
       │     + Beatrice de Stafford ( - 13 Apr 1415)(m. Aft 1 Jan 1359)
       ├─ Maud de Badlesmere (Abt 1308 -
       │ 24 May 1366 bur.Earl's Colne Priory, Halstead, Great Bromley, Essex, England)
       │ 24 May 1366 bur.Earl's Colne Priory, Halstead, Great Bromley, Essex, England)
       │ John de Vere (Abt 12 Mar 1312 -
       │ 23 Jan 1360 bur.Earl's Colne Priory, Halstead, Great Bromley, Essex, England)(m. Bef 27 Mar 1336)
       │ 23 Jan 1360 bur.Earl's Colne Priory, Halstead, Great Bromley, Essex, England)(m. Bef 27 Mar 1336)
       │    ├─ Margaret de Vere ( - 15 Jun 1398 bur.Grey Friars, Smithfield, London, England) =>
       │    │ + Henry de Beaumont (1340 Brabant, Flanders -
       │    │ : 25 Jul 1369 bur.Sempringham Priory, Lincolnshire, England)(m. Bef 15 Feb 1363)
       │    │ : 25 Jul 1369 bur.Sempringham Priory, Lincolnshire, England)(m. Bef 15 Feb 1363)
       │    │ + Nicholas de Lovaine (Abt 1325 of Penshurst, Kent, England - Between 20 Sep 1375 and 25 Nov 1375)
       │    │ (m. Bef Mar 1370)
       │    │ (m. Bef Mar 1370)
       │    └─ Aubrey Vere (Between 1338 and 1340 - 23 Apr 1400) =>
       │     + Alice Fitz Walter ( - 29 Apr 1401)
       ├─ Elizabeth de Badlesmere (Abt 1313 - 8 Jun 1356 Rochford, Essex, England)
       │ Edmund de Mortimer (Between 1305 and 1306 of Wigmore, Herefordshire, England - Bef 21 Jan 1332 Stanton
       │ : Lacy, Shropshire, England)(m. 27 Jun 1316 Ernwood in Kinlet, Shropshire, England)
       │ : Lacy, Shropshire, England)(m. 27 Jun 1316 Ernwood in Kinlet, Shropshire, England)
       │ :   └─ Roger de Mortimer (11 Nov 1328 Ludlow, Shropshire, England -
       │ :    26 Feb 1360 Rouvray, Côte d'Or, Burgundy, France) =>
       │ :    26 Feb 1360 Rouvray, Côte d'Or, Burgundy, France) =>
       │ :    + Philippe de Montagu ( - 5 Jan 1382 bur.Austin Priory, Bisham, Berkshire, England)
       │ William de Bohun (Abt 1312 - 16 Sep 1360 bur.Walden Abbey, Essex, England)(m. 13 Nov 1335)
       │    ├─ Elizabeth de Bohun ( - 3 Apr 1385 bur.Lewes Priory, Sussex, England) =>
       │    │ + Richard de Arundel (1346 - 21 Sep 1397 Cheapside, London, England)(m. 17 Oct 1359)
       │     + Joan Fitz Alan ( - 17 Apr 1419)
       └─ Margaret de Badlesmere (3 Dec 1314 - Between 1344 and 1347)
        John de Tibetot (20 Jul 1313 of Nettlestead, Bosmere, Suffolk, England - 13 Apr 1367)(m. Bef 24 Jul 1337)
           └─ Robert Tibetot (Bef 11 Jun 1341 Nettlestead, Bosmere, Suffolk, England - 13 Apr 1372) =>
            + Margaret Deincourt ( - 2 Apr 1380 Oxendon, Gloucestershire, England)(m. Bef 5 Jun 1348)