Mary married Braose (Breuse), Baron Brewose William De about 1269 in Of,Yorkshire, England. William (son of Braose (Breuse), LORD OF BRAMBER & GOWER John De and Llywelyn, PRINCESS OF NORTH WALES Margred Verch) was born in 1224 in Of, Bramber, Sussex, England; died on 6 Jan 1290. [Group Sheet] [Family Chart]
