Family: Guilbert de Pershale Corbeil / Arbella Loup de Avranches (F2674)
Richard de Avranches (1025-1066) 
|
Emma de Conteville (1029- )
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Maud de Avranches (1054- )  |
| Judith de Avranches (1056- ) |
| Guilbert de Pershale Corbeil (1050-1087) |
| Arbella Loup de Avranches (1067- )
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| Robert de Pershale (1070- ) |