Guillaume de Saint-Sauveur d'Aubigny, Lord of Saint-Martin-d'Aubigny, was born circa 1010 to Nigel or Niel III Vicomte de Saint Sauveur (985-c1066) and Adela, Comtesse d'Eu (c985-) and died 1068 of unspecified causes. He married Adelize du Plessis (c1027-c1088) .
Children
| Name | Birth | Death | Joined with |
| Roger d'Aubigny (c1036-aft1084) | 1036 | 1084 | Amice |
| Olivia d'Aubigny | |||
| Nigel d'Aubigny | |||
| Richard d'Aubigny | |||
| Aimee d'Aubigny | |||
Residences
Footnotes (including sources)
| ‡ General |