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

Jean Ier was born about 1170.  Jean Ier's father was Erard II De Brienne and his mother was Agnès De Montfaucon.  His paternal grandparents were Gauthier II De Brienne and ? De Nesle; his maternal grandparents were Amédée II De Montfaucon and Béatrice De Joinville.  He was an only child.  He died on March 21st, 1237 in , Paris, 75,.


Jean Ier's family with Princesa Berenguela De Leon y Castilla

‌Jean Ier and Berenguela were married in a religious ceremony in 1222 in , Tolède, , Esp.  They had two sons named Jean and Louis.

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