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Male William de Braose VI Marq de Montferrat Click to view William de Braose VI Marq de Montferrat in the family tree

William de Braose VI was born about 1230.1   William de Braose VI's father was John de Braose Tadody Lord Gower & Swansea and his mother was Margred Drwyndon verch Llywelyn Fawr.  His paternal grandparents were William de Braose and Matilda de Clare; his maternal grandparents were Llywelyn Fawr ap Iorwerth Prince of Wales and Joanna of England. He had a half-sister named Maud.1 

Family Details of William de Braose VI's family with Isabel de Clare

1 large-G675.FTW
Further sources/citations:
Mann Database, 11615-2.ftw

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