Family: Reginald de Briouse, Lord of Brecon, Abergavenny, and Builth / Grace de Briwere (F1720)
William III de Briouse, 4th Lord of Bramber (1144-1211) 
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Mathilde de Saint-Valéry (1155-1210)
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Margery de Briouse ( -1256)  |
| Laurette de Briouse ( -1266) |
| Eleanor de Briouse ( -1241) |
| William IV de Briouse ( -1210) |
 | Giles de Briouse, Bishop of Hereford (1270-1215) |
| Maud de Briouse ( -1209) |
| Grace de Briwere ( -1215) |
| William de Briouse, 7th Baron Bramber (1197-1230) |