| Father | Roger DE MONTGOMERY 1st Earl Of Shrewsbury (1022 - 1094) |
| Mother | Mabel DE BELLÊME (1026 - 1079) |
| Sibling | Sybil DE MONTGOMERY (1062 - 1107) |
| Sibling | Robert de Bellême DE MONTGOMERY (1022 - 1094) |
| Sibling | Mathilde DE MONTGOMERY (1039 - 1086) |
| Sibling | Hugues Hugh The Red DE MONTGOMERY DE MONTGOMERIE (1042 - 1098) |
| Sibling | Earl Hugues DE MONTGOMERY, 2nd Earl of Shrewsbury (1044 - 1098) |
| Sibling | Arnulph DE MONTGOMERY (1048 - 1126) |
| Sibling | Almeria MONTGOMERY (1050 - 1100) |
| Sibling | Roger DE POITOU, Earl of Lancaster (1054 - 1123) |
| Sibling | Robert DE MONTGOMERY (1052 - 1131) |
| Sibling | Philippe DE MONTGOMERY (1056 - 1098) |
| Sibling | Mabel DE MONTGOMERY (1064 - 1140) |
| Sibling | Arnoulf de MONTGOMERY (1066 - ) |
| Sibling | Mabile DE MONTGOMMERY ( - ) |