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Female Blanche de Brienne Click to view Blanche de Brienne in the family tree

Blanche was born in 1245 in Courtrain, Mayenne, France.1   Blanche's father was Grand Butler of France Jean de Brienne and her mother was Jeanne de Chateaudun.  Her paternal grandparents were Emperor of Byzantium, King Jerusale John de Brienne and Berengaria of Leon; her maternal grandparents were Geoffrey de Chateaudun IV and Clemence des Roches.  She was an only child.2 

Family Details of Blanche's family with Sir, Count, Lord of Wendover William de Fiennes II


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