Family: George( 1st Duke of Clarence) Plantagnant / Isabel 'Duchess of Clarence' NEVILLE (maid. name Lady)

Maternal line George( 1st Duke of Clarence) Plantagnant
Cecily (Duchess of York) De Neville 1415 - 1495  (80 years)	_	Richard II (3rd Duke of York ) Plantagenet 1411 - 1460  (49 years)
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Joan (Countess of Westmorland) Beaufort 1379 - 1440  (61 years)	_	Ralph ( 1st Earl of Westmoreland and 4th Baron of Raby) Neville 1364 - 1425  (61 years)
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Elizabeth (lady Swynford) de roet 1350 - 1403  (52 years)	_	John ( of Gaunt 1st Duke of Lancaster) Plantagnant 1340 - 1399  (58 years)
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Catherine de Hainault d Avesnes 1320 - 1375  (55 years)	_	Payn de Guienne de Roet 1320 - 1413  (93 years)
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Countess Jeanne de Hainault de VALOIS 1294 - 1342  (48 years)	_	Guillaume Count de Hainault de AVESNES "Willima the Good" (maid. name II) 1286 - 1337  (50 years)

Maternal line Isabel 'Duchess of Clarence' NEVILLE (maid. name Lady)
Anne (Countess of Warwick) Beauchamp 1429 - 1492  (63 years)	_	Richard "The Kingmaker" (16th Earl of Warwick) (6th Earl of Salisbury) Neville 1428 - 1471  (42 years)
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Isabel De spencer 1400 - 1439  (39 years)	_	Richard 'The Good' Knight of the Garter, 13th Earl of Warwick BEAUCHAMP (maid. name Sir) 1382 - 1439  (57 years)
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Constance Plantagenet 1374 - 1416  (42 years)	_	Thomas ( 1 Earl of glostershire) Le DESPENCER 1373 - 1399  (25 years)
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Unknown	_	Edmund (1st Duke of york) Plantagnant 1341 - 1402  (61 years)