| | Elizabeth Plantagenet …–… | | | | Richard Plantagenet 3rd Duke of York, KG 1411–1460 | | | | Richard Plantagenet of Conisburgh, Earl of Cambridge …–1415 | | |
| | | Ralph de Neville 1364–1425 Joan Beaufort Countess of Westmorland 1379–1440 | | |
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| | | John Beaufort Duke of Somerset …–1444 Margaret Beauchamp …–1482 | | | | John Beaufort 1st Earl of Somerset, KG 1373–1410 Margaret Holland 1381–1439 | | |
| | | John Beauchamp Lord Beauchamp …–… |
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