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Female Isabella D'Avesnes Click to view Isabella D'Avesnes in the family tree

Isabella was born about 1314 in Le Quesnoy, Nord, France.1   Isabella's father was Willem III d'Avesnes and her mother was Jeanne De Valois.  Her paternal grandparents were Jean II d'Avesnes and Philippa Luxembourg; her maternal grandparents were Charles I Capet and Marguerite di Sicily-Naples. She had three brothers and five sisters, named Jan, Willem IV, Louis, Johanna, Sibylla, Margaretha, Agnès and Philippa.2 


Isabella's first family with Robert Holland

‌Isabella and Robert were married in a religious ceremony about 1331 in Lancashire, England.3   They had a daughter named Jane.


Isabella's second family with Robert Holand

‌Isabella and Robert were married in a religious ceremony about 1331 in <, , Lancashire, England>.2   They had a son and a daughter, named Robert and Jane.


Isabella's third family with Robert de Namur

‌Isabella and Robert de were married in a religious ceremony in 1354 in <, Chanay, Ain, France>.2 


Isabella's fourth family with William De Molyneux


1 Joanne's Tree.1 GED.GED
2 Isabella D'AVESNES.FTW
3 Genealogical Research of Kirk Larson
Further sources/citations:
daveanthes.FTW, "Héraldique européenne", "Genealogical Research of Kirk Larson"

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