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Male Jean Brienne Click to view Jean Brienne in the family tree

Jean was born about 1217 in Acre, Palestine.  Jean's father was Emperor Jean deBrienne of Byzantium and his mother was Prcs. Berengaria of Leon.  His paternal grandparents were Ct. Erard II of Brienne and Agnes of Montfaucon; his maternal grandparents were King Alfonso IX Fernandez of Leon & Castile and Berenguela Alfonsez of Castile. He had a half-brother named Alphonse.  He died in 1296.


Jean's family with Dame Jeanne of Chateaudun

‌Jean and Jeanne of Chateaudun were married in a religious ceremony in 1251.  They had a daughter named Blanche.

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