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Female Petronille d' Avesnes Click to view Petronille d' Avesnes in the family tree

Petronille d' was born about 1130 in Oizy, Namur, Belgium.  Petronille d''s father was Wauthier de Oisy and her mother was Ada\Ide of Mortagne.  Her paternal grandparents were Fastre II de Oisy and Richilde; her maternal grandparents were Everard I Radulf , Duke of Montagne and Francka. She had a brother named Nicholas "Plukiel" Seigneur d'.  She was the younger of the two children.

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