| Father | Sir Walter DE TIREL III Vicomte d’Amiens 3e seigneur de Poix (1060 - 1136) |
| Mother | Adeliza FITZRICHARD DE CLARE (1069 - 1138) |
| Sibling | Sir Hugh DE TIREL I Vicomte d'Equennes 4th Prince of Poix (1100 - 1159) |
| Sibling | Adelisa DE TIREL (1080 - 1142) |
| Sibling | Gauthier III TIREL DE POIX (1080 - 1145) |
| Sibling | Alexander TIREL (1080 - ) |
| Sibling | Emma TIRELL (1080 - ) |
| Sibling | Hugh TIREL (1090 - 1022) |
| Sibling | Hugh (1095 - 1159) |
| Sibling | Rosaelin TIREL (1100 - ) |
| Sibling | Adelaide TIREL (1102 - ) |
| Sibling | Berine TIREL (1106 - ) |
| Sibling | Ralf TIREL ( - 1136) |