Nielsen Hayden genealogy
Family: Edmund Tudor / Margaret Beaufort (F10039)
m. 1455Owen ap Maredudd ap Tudur (1400-1461) 
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Catherine of Valois, Queen Consort of England (1401-1437)
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| John Beaufort (1403-1444)
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| Margaret Beauchamp (1410-1482)
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| Edmund Tudor (1430-1456)
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| Margaret Beaufort (1443-1509)
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Henry VII, King of England (1457-1509)  |