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Male Floris d'Avesnes Click to view Floris d'Avesnes in the family tree

Floris was born in 1255 in <, Valenciennes, Nord, France>.1   Floris' father was Jean I d'Avesnes and his mother was Amice Burgundy.  His paternal grandparents were Bouchard De Avesnes and Marguerite De Flandres; his maternal grandparents were Floris IV Burgundy and Mathilde de Brabant. He had five brothers and three sisters, named Jean II, Baudouin, Bouchard, Guy, Guillaume, Elizabeth de, Jeanne and Marguerite.  He was the third youngest of the nine children.1 

1 Isabella D'AVESNES.FTW
Further source/citation:
"Genealogical Research of Kirk Larson"

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