Nielsen Hayden genealogy
Family: Richard of Conisburgh / Anne de Mortimer (F10063)
m. Bef 23 May 1408Edmund of Langley (1341-1402) 
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Isabella of Castile (1355-1392)
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Constance of York (1374-1416)  |
| Roger Mortimer (1374-1398)
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| Eleanor Holland ( -1405)
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| Richard of Conisburgh (1375-1415)
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| Anne de Mortimer (1390-1411)
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| Richard of York (1411-1460) |