Marguerite De Hainault
Marguerite's family with Bouchard De Avesnes
They had a son named
Jean I
.
Children
Jean I De Avesnes
Jean I was born in April 1218 in
Houffalize, Luxembourg
. He died at the age of 39 on December 24th, 1257 in
Valenciennes, Nord, France
.
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Marguerite De Hainault 
Jean I De Avesnes
Jean I De Avesnes