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- 1 Alice FitzAlan, Lady [1] b. 1350 d. 17 Mar 1416
Thomas Holland, 2nd Earl of Kent KG b. 1350 d. 25 Apr 1397
- 2 Alianore Holland, Countess of March [1.1]
b. 13 Oct 1370 d. Oct 1405
Roger de Mortimer, 4th Earl of March, 6th Earl of Ulster b. 11 Apr 1374 d. 1398
- 3 Anne de Mortimer [1.1.1]
b. 27 Dec 1388 d. 22 Sep 1411
Richard of Conisburgh, Plantagenet, 3rd Earl of Cambridge b. 3 Jul 1385 d. 5 Aug 1415
- 4 Isabel of York [1.1.1.1]
b. 1409 d. 2 Oct 1484
- 4 Richard of York, House of Plantagenet, 3rd Duke of York, 6th Earl of March [1.1.1.2]
b. 21 Sep 1411 d. 30 Dec 1460
Cecily Neville, Duchess of York b. 1415 d. 1495
- 5 Anne of York, Duchess of Exeter [1.1.1.2.1]
b. 10 Aug 1439 d. 14 Jan 1476
- 5 Henry of York [1.1.1.2.2]
b. 10 Feb 1441 d. 10 Feb 1441
- 5 4 March 1461 to 3 October 1470 first period as King Edward IV, 4th Duke of York, 7th Earl of March, King of England [1.1.1.2.3]
b. 28 Apr 1442 d. 9 Apr 1483
- 5 Edmund of York, Earl of Rutland [1.1.1.2.4]
b. 17 May 1443 d. 30 Dec 1460
- 5 Elizabeth of York, Duchess of Suffolk [1.1.1.2.5]
b. 22 Apr 1444 d. Abt. 1503
- 5 Margaret of York, Duchess of Burgundy [1.1.1.2.6]
b. 3 May 1446 d. 23 Nov 1503
- 5 William of York [1.1.1.2.7]
b. 7 Jul 1447 d. Bef. 1457
- 5 John of York [1.1.1.2.8]
b. 7 Nov 1448 d. Bef. 1458
- 5 George Plantagenet, of York, 1st Duke of Clarence [1.1.1.2.9]
b. 21 Oct 1449 d. 18 Feb 1478
- 5 Thomas of York [1.1.1.2.10]
b. Abt. 1450
- 5 Richard III of York, , Duke of Gloucester, KG, King of England and France and Lord of Ireland [1.1.1.2.11]
b. 2 Oct 1452 d. 22 Aug 1485
- 5 Ursula of York [1.1.1.2.12]
b. 22 Jul 1455
- 4 Henry of York [1.1.1.3]
- 3 Edmund Mortimer, 5th Earl of March, 7th Earl of Ulster, Edmund was heir-presumptive to the throne [1.1.2]
b. 6 Nov 1391 d. 18 Jan 1425
- 3 Roger de Mortimer [1.1.3]
b. 1393 d. Abt. 1413
- 3 Eleanor de Mortimer [1.1.4]
- 2 Thomas Holland, 3rd Earl of Kent, 1st Duke of Surrey [1.2]
b. 8 Sep 1372 d. 7 Jan 1400
- 2 John Holland [1.3]
b. 2 Nov 1374 d. 5 Nov 1394
- 2 Richard Holland [1.4]
b. 3 Apr 1376 d. 21 May 1396
- 2 Joan Holland, Duchess of York, Lady Companions of the Garter [1.5]
b. Abt. 1380 d. 12 Apr 1434
- 2 Edmund Holland, 4th Earl of Kent [1.6]
b. 9 Jan 1382 d. 15 Sep 1408
- 2 Margaret Holland, Duchess Of Clarence, Lady Companions of the Garter [1.7]
b. 1385 d. 31 Dec 1439
- + Thomas of Lancaster, Duke of Clarence (1387–1421) b. 1387 d. 1421
John de Beaufort, 1st Marquess of Somerset and 1st Marquess of Dorset, later only 1st Earl of Somerset, KG b. 1371 d. 16 March 1410
- 3 Henry de Beaufort, 2nd Earl of Somerset [1.7.1]
b. 26 Nov 1401 d. 25 Nov 1418
- 3 Joan Beaufort, Lady, Queen of Scots [1.7.2]
b. Abt. 1404 d. 15 Jul 1445
- 3 John de Beaufort, 1st Duke of Somerset, 3rd Earl of Somerset, KG [1.7.3]
b. 25 Mar 1404 d. 30 May 1444
- 3 Thomas de Beaufort, 1st Count of Perche [1.7.4]
b. Abt. 1405 d. 3 Oct 1431
- 3 Edmund de Beaufort, 2nd Duke of Somerset, 4th Earl of Somerset, 1st Earl of Dorset, 1st Marquess of Dorset styled 1st Count of Mortain,KG [1.7.5]
b. 1406 d. 22 May 1455
- 3 Margaret de Beaufort, Countess of Devon [1.7.6]
b. Abt. 1409 d. 1449
- 2 Elizabeth Holland [1.8]
b. Abt. 1387 d. 1420
- 2 Eleanor II Holland [1.9]
b. Abt. 1388 d. Aft. 1413
- 2 Bridget Holland [1.10]