3rd Earl of Leicester Robert de Beaumont, III
1135 - 1190 (55 years)
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 | Elizabeth Lewknor 1435-1464 |
| Elizabeth Lewknor | |
| B: | 1435 |
| Horsted Keynes, Sussex, England | |
| D: | 1464 |
| Middlesex, England | |
| Eleanor Alice de Camoys 1408-1479 |
| Eleanor Alice de Camoys | |
| B: | 1408 |
| Broadwater, Sussex, England | |
| D: | 14 Oct 1479 |
| Arundel, Sussex, England | |
| Roger Lewknor 1419-1478 |
| Roger Lewknor | |
| B: | 1419 |
| Horsted Keynes, Sussex, England | |
| D: | 4 Aug 1478 |
| Trotton, Sussex, England | |
| Joan de Poynings 1400-1421 |
| Joan de Poynings | |
| B: | 1400 |
| Sussex, England | |
| D: | 1421 |
| Sussex, England | |
| Knight of the Order of the Garter Richard de Camoys, KG | |
| B: | 1396 |
| Sussex, England | |
| D: | 1421 |
| Trotton, Sussex, England | |
| Baroness Poynings Lady Isabel FitzPayne de Grey | |
| B: | 1355 |
| Somerset, England | |
| D: | 11 Apr 1394 |
| Kent, England | |
| 3rd Baron Poynings Sir Richard de Poynings | |
| B: | 1355 |
| Slaugham, Sussex, England | |
| D: | 25 May 1387 |
| Villalpando, Zamora, Castilla-Leon, Spain | |
| Sir Robert FitzPayne de Grey 1321-1393 |
| Sir Robert FitzPayne de Grey | |
| B: | 1321 |
| Somerset, England | |
| D: | 31 May 1393 |
| Somerset, England | |
| Elizabeth de Brienne 1334-1393 |
| Elizabeth de Brienne | |
| B: | 1334 |
| Pembrokeshire, Wales | |
| M: | 16 Oct 1354 |
| Walwyn's Castle, Pembrokeshire, Wales | |
| D: | 21 May 1393 |
| Taunton, Somerset, England | |
| 2nd Baron Grey of Codnor Richard Codnor de Grey Abt 1281-1334 |
| 2nd Baron Grey of Codnor Richard Codnor de Grey | |
| B: | Abt 1281 |
| Codnor, Derbyshire, England | |
| D: | 10 Mar 1334 |
| Codnor, Derbyshire, England | |
| Joan FitzPayn 1286-1335 |
| Joan FitzPayn | |
| B: | 1286 |
| Codnor, Derbyshire, England | |
| M: | 1300 |
| Monmouthshire, Wales | |
| D: | 18 Oct 1335 |
| Aylesford, Kent, England | |
| Eleanor de Courtenay 1266-1301 |
| Eleanor de Courtenay | |
| B: | 1266 |
| Okehampton, Devon, England | |
| D: | 6 Jun 1301 |
| Codnor, Derbyshire, England | |
| 1st Baron Grey of Codnor Henry de Grey 1256-1308 |
| 1st Baron Grey of Codnor Henry de Grey | |
| B: | 1256 |
| Derbyshire, England | |
| D: | 1 Sep 1308 |
| Aylesford, Kent, England | |
| 3rd Baron of Okehampton Sir Hugh de Courtenay | |
| B: | 25 Mar 1249 |
| Okehampton, Devon, England | |
| D: | 28 Feb 1291 |
| Colyton, Devon, England | |
| Baroness Okehampton Eleanor le de Spencer | |
| B: | 1248 |
| Ryhall, Rutland, England | |
| D: | 30 Sep 1328 |
| London, England | |
| Isabel de Vere 1228-1300 |
| Isabel de Vere | |
| B: | 1228 |
| Totnes, Devon, England | |
| D: | 11 Aug 1300 |
| Okehampton, Devon, England | |
| 2nd Baron of Okehampton John de Courtenay | |
| B: | 26 Jul 1224 |
| Okehampton, Devon, England | |
| M: | 1249 |
| Devon, England | |
| D: | 3 May 1274 |
| Devon, England | |
| Sir Robert Vere 1408-1462 |
| Sir Robert Vere | |
| B: | 23 Apr 1408 |
| Essex, England | |
| D: | 26 Feb 1462 |
| Tower of London, London, England | |
| Elizabeth Howard 1410-1475 |
| Elizabeth Howard | |
| B: | 1410 |
| Wiggonholt, Sussex, England | |
| D: | 25 Dec 1475 |
| Suffolk, England | |
| 16th Earl of Oxford John de Vere 1516-1562 |
| 16th Earl of Oxford John de Vere | |
| B: | 1516 |
| Essex, England | |
| D: | 3 Aug 1562 |
| Oxford, Oxfordshire, England | |
| Countess of Oxford Dorothy Neville 1515-1548 |
| Countess of Oxford Dorothy Neville | |
| B: | 1515 |
| Staindrop, Durham, England | |
| M: | 3 Jul 1536 |
| Shoreditch, Middlesex, England | |
| D: | Jan 1548 |
| England | |
| Margery Golding 1528-1568 |
| Margery Golding | |
| B: | 1528 |
| Belchamp St Paul, Essex, England | |
| M: | 1 Aug 1548 |
| Essex, England | |
| D: | 2 Dec 1568 |
| Earls Colne, Essex, England | |
| 15th Earl of Oxford John de Vere 1482-1540 |
| 15th Earl of Oxford John de Vere | |
| B: | 1482 |
| Essex, England | |
| D: | 21 Mar 1540 |
| Halstead, Essex, England | |
| Countess of Oxford Elizabeth Trussel 1494-1527 |
| Countess of Oxford Elizabeth Trussel | |
| B: | 1494 |
| Staffordshire, England | |
| M: | 1508 |
| Rowley, Yorkshire, England | |
| D: | Jul 1527 |
| Staffordshire, England | |
| John de Vere 1433-1513 |
| John de Vere | |
| B: | 1433 |
| Essex, England | |
| D: | 10 Mar 1513 |
| England | |
| Alice Kilrington 1468-1494 |
| Alice Kilrington | |
| B: | 1468 |
| Oxfordshire, England | |
| M: | 1488 |
| Norfolk, England | |
| D: | 3 Nov 1494 |
| Oxfordshire, England | |
| Joan de Courtenay 1411-1465 |
| Joan de Courtenay | |
| B: | 14 Aug 1411 |
| Haccombe, Devon, England | |
| M: | 1 Nov 1452 |
| Haccombe, Devon, England | |
| D: | 3 Aug 1465 |
| Haccombe, Devon, England | |
| 11th Earl of Oxford Sir Richard de Vere 1385-1417 |
| 11th Earl of Oxford Sir Richard de Vere | |
| B: | 15 Aug 1385 |
| Essex, England | |
| D: | 15 Feb 1417 |
| Earls Colne, Essex, England | |
| Lady Alice Sergeaux 1381-1452 |
| Lady Alice Sergeaux | |
| B: | 1381 |
| Cornwall, England | |
| M: | 1406 |
| Essex, England | |
| D: | 18 May 1452 |
| Earls Colne, Essex, England | |
| 10th Earl of Oxford Aubrey de Vere Abt 1338-1400 |
| 10th Earl of Oxford Aubrey de Vere | |
| B: | Abt 1338 |
| Essex, England | |
| D: | 2 Apr 1400 |
| Hadleigh, Essex, England | |
| Alice FitzWalter Abt 1343-1401 |
| Alice FitzWalter | |
| B: | Abt 1343 |
| Alnwick, Northumberland, England | |
| M: | 1385 |
| Badlesmere, Kent, England | |
| D: | 29 Apr 1401 |
| Essex, England | |
| 7th Earl of Oxford John de Vere 1311-1360 |
| 7th Earl of Oxford John de Vere | |
| B: | 12 Mar 1311 |
| Oxfordshire, England | |
| D: | 24 Jan 1360 |
| Rheims, Marne, Champagne-Ardenne, France | |
| Maud de Badlesmere 1310-1366 |
| Maud de Badlesmere | |
| B: | 1310 |
| Badlesmere, Kent, England | |
| M: | 24 Mar 1335 |
| Badlesmere, Kent, England | |
| D: | 23 May 1366 |
| Earls Colne, Essex, England | |
| 5th Earl of Oxford Sir Alphonse de Vere Abt 1266-1329 |
| 5th Earl of Oxford Sir Alphonse de Vere | |
| B: | Abt 1266 |
| Oxford, Oxfordshire, England | |
| D: | 20 Dec 1329 |
| Oxford, Oxfordshire, England | |
| Jane Foliot Abt 1262-1339 |
| Jane Foliot | |
| B: | Abt 1262 |
| Norfolk, England | |
| M: | 1300 |
| Oxford, Oxfordshire, England | |
| D: | 1339 |
| England | |
| 5th Earl of Oxford Robert de Vere 1240-1296 |
| 5th Earl of Oxford Robert de Vere | |
| B: | 1240 |
| Essex, England | |
| D: | 2 Sep 1296 |
| Essex, England | |
| Alice de Sanford 1230-1312 |
| Alice de Sanford | |
| B: | 1 Jan 1230 |
| Hertfordshire, England | |
| M: | 22 Feb 1252 |
| Oxfordshire, England | |
| D: | 9 Sep 1312 |
| Essex, England | |
| Hawise de Quincy 1178-1263 |
| Hawise de Quincy | |
| B: | 1178 |
| Winchester, Hampshire, England | |
| D: | 3 Feb 1263 |
| Earls Colne, Essex, England | |
| 4th Earl of Oxford Hugh de Vere Abt 1185-1263 |
| 4th Earl of Oxford Hugh de Vere | |
| B: | Abt 1185 |
| Essex, England | |
| M: | 11 Feb 1222 |
| Winchester, Hampshire, England | |
| D: | 23 Dec 1263 |
| Essex, England | |
| Margaret de Beaumont 1154-1235 |
| Margaret de Beaumont | |
| B: | 1154 |
| North Molton, Devon, England | |
| D: | 12 Jan 1235 |
| Leicestershire, England | |
| 1st Earl of Winchester Baron Saher de Quincy, IV | |
| B: | 1155 |
| Winchester, Hampshire, England | |
| D: | 3 Nov 1219 |
| Egypt | |
|
| 3rd Earl of Leicester Robert de Beaumont, III | |
| B: | 1135 |
| Leicester, Leicestershire, England | |
| D: | 31 Aug 1190 |
| Greece | |
| Countess of Leicester Petronilla Pernel de Grandmesnil | |
| B: | 1134 |
| Leicestershire, England | |
| M: | 1155 |
| Leicester, Leicestershire, England | |
| D: | 1 Apr 1212 |
| Leicester, Leicestershire, England | |