Margaret Countess De Hainault & HOLLAND

Margaret Countess De Hainault &'s father was Guillaume III De Avesnes Of HAINAULT and her mother was Jeanne DE VALOIS.  Her paternal grandparents were John (Jean) I (2Nd Count) DE AVESNES and Philippa DE LUXEMBURG; her maternal grandparents were Charles King De Naples & SICILY and Margaret (Marguerite) DE NAPLES. She had three brothers and three sisters, named William IV Count De Hainault &, John, Louis, Phillipa Of, Isabelle and Joanna.