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Female Béatrix de Montfort Click to view Béatrix de Montfort in the family tree

Béatrix de was born about 1246 in <, Montfort-l'Amury, Seine-et-Oise, France>.1   Béatrix de's father was Jean de Brienne , Grand Butler of France and her mother was Jeanne de Châteaudun.  Her paternal grandparents were Count Jean Brienne King of Jerusalem and Berengaria Alfonsez Princess of Leon; her maternal grandparents were Geoffrey IV Vicmte de Chateaudun and Clemence Des Roches. She had a sister named Blanche.  She was the older of the two children.  She died on March 9th, 1311.1 


Béatrix de's family

‌Béatrix de were married in a religious ceremony in 1260 in <, Dreux, Eure-et-Loir, France>.2 

1 "Pedigree Resource File - CD-Rom" @ Compact Disc #33     Pin #652773
2 "Genealogical Research of Kirk Larson"
Further source/citation:
"Héraldique européenne"

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