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Male John de Briouze Click to view John de Briouze in the family tree Click to view John de Briouze in the family tree

John's father was John de Briouze and his mother was Margaret ap Llywelyn.  His maternal grandfather was Llywelyn ap Iorwerth, Prince of North Wales. He had a brother named William. He had a half-sister named Maud.

Family Details of John's family with Maud de Clifford