| Father | Sir Harlevin "the Bastard" De Conteville Knight, Viscount of Burgo (1001 - 1072) |
| Mother | Dame Arlette De Falaise (1003 - 1050) |
| Sibling | Read-Only Emma De Contville (1029 - 1066) |
| Sibling | Jeanne De Conteville (1041 - 1088) |
| Sibling | Anna Emma Haldup Baron de la Haye-Du-Puits (1015 - ) |
| Sibling | Robert (Count of Mortaigne; Earl of Cornwall) De Mortaigne (1037 - 1090) |
| Sibling | Ct De Mortaigne Robert de Burgo de Mortaigne (1032 - 1090) |
| Sibling | Cecily Hawise Fitzwilliam Fitzduncan de Burgo (1110 - 1150) |
| Sibling | Nn (1021 - 1098) |
| Sibling | Read-Only Emma De Conteville (1035 - 1103) |