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Female Isabell D'Avesnes Click to view Isabell D'Avesnes in the family tree

Isabell was born about 1220 in Hennegau, Namur, Belgium.  Isabell's father was Bouchard D'Avesnes and her mother was Countess Of Flanders & Hainault Marguerite.  Her paternal grandparents were Jacques D'Avesnes and Adelphie De Guise; her maternal grandparents were Baldwin XI and Marie De Champagne. She had two brothers and a sister, named Jean I, Baudouin and Isabelle.  She was the second youngest of the four children. She had three half-brothers and two half-sisters, named Guillaume, Guy, Jean, Jeanne and Marie.


Isabell's family with Robert IV Capet

They had a daughter named Yolanda.

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