Nielsen Hayden genealogy
Family: William Graham / Helen Douglas (F15870)
m. Bef 1460Patrick de Graham ( -1466) 
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Christian Erskine ( -1479)
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| William Douglas (1398-1437)
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| Margaret Hay ( -1484)
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George Douglas ( -1463)  |
| William Graham ( -1472)
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| Helen Douglas ( -1486)
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| William Graham (1463-1513) |