Nielsen Hayden genealogy
Family: Richard of York / Cecily Neville (F1800)
m. Bef 18 Oct 1424Richard of Conisburgh (1375-1415) 
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Anne de Mortimer (1390-1411)
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| Ralph de Neville (1366-1425)
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| Joan Beaufort (1379-1440)
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Eleanor Neville ( -1473)  |
| Anne Neville ( -1480) |
| George Neville ( -1458) |
| Richard Neville (1401-1460) |
| Richard of York (1411-1460)
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| Cecily Neville (1415-1495)
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| Edward IV, King of England and lord of Ireland (1442-1483) |
| Richard III, King of England (1452-1485) |