Sarah de Aunus was born circa 1190 in England to Eborard de Aunus (-1248) and died 1213 England of unspecified causes. She married Robert de Insula (-1223) .
Children
| Name | Birth | Death | Joined with |
| Robert d'Lisle (-1262) | 1213 England | 1262 England | Alice FitzGerald (-1284) |
Siblings
| Name | Birth | Death | Joined with |
| Sarah de Aunus (-1213) | 1190 England | 1213 England | Robert de Insula (-1223) |