Nielsen Hayden genealogy
Family: Robert / Beatrice (F14986)
Guillaume I (975-1040) 
|
Lesceline de Tourville (1000-1058)
|
Guillaume Bussac (1020-1076)  |
| Robert (1018-1092)
|
| Beatrice ( -1085) |
| Eremburge de Mortain ( -1087) |