John (Jean) I (2Nd Count) DE AVESNES 
John (Jean) I (2Nd Count) was born in 1247. He died at the age of 57 on August 22nd, 1304.General Notes
Custom Field:<_FA#> 2nd COUNT de HAINAULT & HOLLAND
John (Jean) I (2Nd Count) and Philippa were married in a religious ceremony in 1270. They had five sons and seven daughters, named Guillaume III De Avesnes Of, Henry Canon Cambrai, Jean Signeur De Beaumont, John Signeur De Beaumont, Simon, Marie, Alix, Isabelle, Jeanne (Nun), Margaret, Marie and Matilda Abess De Nivelles.
Family Notes
CHAN12 Jul 2002
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Children
Guillaume III De Avesnes Of HAINAULT
Guillaume III De Avesnes Of was born in 1280. He died at the age of 57 in 1337.
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