| Father | Sir Knight William 2nd de Braose of Gwentland 3rd Lord of Bramber (1115 - 1192) |
| Mother | Baroness Bertha de FitzMiles Pitres (1130 - 1204) |
| Sibling | Sybil de Braose ( - ) |
| Sibling | Alice/Aveline de Braose (1130 - 1170) |
| Sibling | William 3rd de Braose 4th Lord of Bramber, Lord of Gower, Abergavenny, Brecknock, Builth, Radnor, Kington, Limerick, Glamorgan, Skenfrith, Briouze in Normandy, Grosmont, and White Castle ( - ) |
| Sibling | John de Braose (1158 - 1229) |
| Sibling | Roger de Braose (1159 - 1225) |
| Sibling | Reginald de Broase (1155 - 1225) |
| Sibling | Gillian de Braose (1160 - 1210) |
| Sibling | Reynold de Briouse (1160 - 1227) |
| Sibling | Matilda de Braose (1150 - 1201) |
| Sibling | Maud Matilda de Braose (1146 - ) |
| Sibling | Reginald de Briouze (1124 - ) |