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Female Petronelle De Avesnes Click to view Petronelle De Avesnes in the family tree

Petronelle was born about 1130 in Oizy, Namur, Belgium.  Petronelle's father was Wautier I D' Oisy and her mother was Ade De Mortaigne.  Her paternal grandparents were Fastre D' Oisy and Richilde Nmn Fastre Ii Oisy; her maternal grandparents were Everard I De Mortagne and Francka Nmn Everard I Mortaigne. She had a brother named Nicolas.  She was the younger of the two children.


Petronelle's family with Johan Seigneur De Cysoing Peteghem

They had a daughter named Elizabeth De Lamersart.

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