| Father | Guillaume 1st "Talvas" de la Ferté-Macé Viscount Bellame, Count of Ferté-Macé ( - ) |
| Mother | Mathilde Maud de Beaumont de Ganelon Dame de Conde-sur-Noireau ( - ) |
| Sibling | Warin de Domfront (994 - ) |
| Sibling | Benoit de Belleme (999 - ) |
| Sibling | Fulkes de Belleme (995 - 1023) |
| Sibling | Ives de Belleme (1000 - ) |
| Sibling | Robert 1st de Belleme (995 - ) |
| Sibling | Godehilde de Belleme (1005 - 1035) |
| Sibling | Fulk DeBelleme De Creil (1004 - ) |
| Sibling | Robert de Bellême I (998 - 1052) |
| Sibling | Benoit a monk at Fleury Abbey ( - ) |
| Sibling | Mathelin de Bellême (1020 - 1094) |
| Sibling | Warin de Bellême (994 - 1026) |
| Sibling | Yves de Bellême (992 - 1070) |
| Sibling | Foulques (Coots) de Bellême (996 - 1028) |
| Sibling | Son de Belleme (995 - ) |
| Sibling | Son de Belleme (997 - ) |
| Sibling | Guillaume 2nd (William 2nd) "Talvas" de Bellême Lord of Alencon (985 - ) |