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Male Jean I D'Avesnes Click to view Jean I D'Avesnes in the family tree

Jean I was born in April 1218 in Houffalize, Luxembourg, Belgium.  Jean I's father was Bouchard D'Avesnes and his mother was Countess Of Flanders & Hainault Marguerite.  His paternal grandparents were Jacques D'Avesnes and Adelphie De Guise; his maternal grandparents were Baldwin XI and Marie De Champagne. He had a brother and two sisters, named Baudouin, Isabell and Isabelle.  He was the oldest of the four children. He had three half-brothers and two half-sisters, named Guillaume, Guy, Jean, Jeanne and Marie.  He died at the age of 39 on December 24th, 1257 in Valenciennes, Nord, France.


Jean I's family with Countess of Avesnes Aleida

They had six sons and a daughter, named Jean II, Baudouin, Bouchard II, Guy, Guillaume, Floris and Jeanne.

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