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

Blanche was born in 1251.  Blanche's father was Jean De Brienne and her mother was Jeanne De Chateaudun.  Her paternal grandparents were Jean Ier De Brienne and Princesa Berenguela De Leon y Castilla; her maternal grandparents were Geoffroy IV De Chateaudun and Clémence Des Roches. She had a half-sister named Béatrix.  She died at the age of 51 in 1302.


Blanche's family with Guillaume II De Fiennes

‌Blanche and Guillaume II were married in a religious ceremony in 1266.  They had a son named Jean Ier.

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