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Female BLANCHE de BRIENNE Click to view BLANCHE de BRIENNE in the family tree

BLANCHE was born about 1245 in Courtrain, Mynn, France.1   BLANCHE's father was JEAN de BRIENNE and her mother was JEANNE de CHATEAUDUN.  Her paternal grandparents were JEAN I EMPEROR de CONSTANTINOPLE and BERENGARIA de LEON; her maternal grandparents were GEOFFREY V VICOMTE de CHATEAUDUN and CLEMENCE de ROCHES. She had a half-sister named Beatrix Comtesse.  She died in 1302.1 


BLANCHE's family with WILLIAM II de FIENNES

‌BLANCHE and WILLIAM II were married in a religious ceremony about 1269 in Wigmore, Herefordshire, England.1   They had a son and two daughters, named JOHN (Jean), MARGARET and JOANNA.

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