| Father | Robert Gloucester Caen EARL of (1090 - ) |
| Mother | Mabel Maud Sibyl Fitzhammon COUNTESS (1094 - 1157) |
| Sibling | Emma DE MORTAIN (1057 - ) |
| Sibling | Roger Fitzrobert [BISHOP OF WORCE (1112 - ) |
| Sibling | Hamon Fitzrobert (1116 - 1159) |
| Sibling | William "Mafonache" Fitzrobert [EARL OF GLOUCES (1116 - ) |
| Sibling | Mabel Fitzrobert (1118 - ) |
| Sibling | Philip Fitzrobert (1122 - 1146) |
| Sibling | Maud Fitzrobert [COUNTESS OF CHE (1124 - 1189) |
| Sibling | Richard Fitzrobert [Lord of Cruelly (1126 - 1175) |
| Sibling | Matilda Maud Fitzrobert (1120 - 1189) |