Nielsen Hayden genealogy
Family: Henry de Bohun / Maud de Mandeville (F4700)
Humphrey de Bohun (1143-1181) 
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Margaret of Huntingdon (1145-1201)
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| Geoffrey fitz Peter ( -1213)
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| Beatrice de Say ( -1197)
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| Henry de Bohun (1175-1220)
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| Maud de Mandeville ( -1236)
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Humphrey de Bohun (1199-1275)  |