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Male Guillaume de AVESNES Click to view Guillaume de AVESNES in the family tree

Guillaume de was born in 1254 in Of, Valenciennes, Nord, France.  Guillaume de's father was Jean I De AVESNES and his mother was Aleida Countess Of HOLLAND.  His paternal grandparents were Bouchard de AVESNES and Marguerite Countess Of FLANDERS & HAINAULT; his maternal grandparents were Floris IV Count Of HOLLAND and Mathilde Princess Of BRABANT. He had five brothers and a sister, named Jean II De, Baudouin de, Bouchard de, Guy de, Floris de and Jeanne de.  He was the third youngest of the seven children.  He died at the age of 42 in 1296.

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Ancestral File (R)


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