Research Notes:
Keats-Rohan provides a biosketch of "Willelm II de Braose." [1]
William II de Braose, son of Philip de Braose, whom de suddeeded before 1155, and Aanor of Totnes. His wife was Bertha, daughterof Miles of Gloucester, earl of hereford, whoss brother Mahel gave him the lordships of Brecon and Abergavenny. He died c. 1192/93, leaving a son William III (Sanders, 108, 21). Father also of Bertha, wife of William de Beauchamp of Elmley (d. 1170).
[1] K. S. B. Keats-Rohan, Domesday Descendants, A Prosopography of persons occurring in English documents, 1066-1166: II Pipe Rolls to Cartae Baronum (Boydell Press, 2002), 346-347.