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Male John (Jean) de Brienne , Byzantine Emperor Click to view John (Jean) de Brienne , Byzantine Emperor in the family tree

John (Jean) de was born about 1148 in Brienne-le-Chateau, Champange, France.  John (Jean) de's father was Erard II Comte de Brienne and his mother was Agnes de Montfaucon.  His paternal grandparents were Walter II Comte de Brienne , Sire de Ramerupt and Humberline de Soissons; his maternal grandparents were Richard II Comte de Montfaucon and Agnes de Montbeliard. He had a brother named Walter (Gauthier) III Comte de.  He was the older of the two children.  He died in As a Franciscan Friar in Constantinople, Turkey.  He was buried in King of Jerusalem 1210-1212 ruled from Acre since Saracens had Jerusalem.

John (Jean) de's first family with Mary de Montferrat , Queen of Jerusalem

‌John (Jean) de and Mary de were married in a religious ceremony on September 15th, 1210 in Acre, Palestine.  They had a daughter named Isabella Yolande de.

John (Jean) de's second family with Stephania Princess of Armenia

‌John (Jean) de and Stephania Princess of were married in a religious ceremony in 1214.

John (Jean) de's third family with Berenquela Princess of Leon And Castile

‌John (Jean) de and Berenquela Princess of Leon And were married in a religious ceremony in 1223 in Burgos, Spain.  They had three sons named Alphonse d'Acre de, Jean de and Louis of Acre de.

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