Nielsen Hayden genealogy
Family: Humphrey de Bohun / Maud of Avenbury (F949)
Henry de Bohun (1175-1220) 
|
Maud de Mandeville ( -1236)
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| Humphrey de Bohun (1199-1275)
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| Maud of Avenbury ( -1273) |
Eleanor de Bohun ( -1278)  |
| Margery de Bohun ( -1280) |