The Dutch and American Gase and related families

The Family Tree of the American Gase, Moermond, Boes, Steigmeyer, Elchert, Nye and Yost families
The Family Tree of the Dutch Gase, Van Stein, Weder, Van der Fluit, Mortel and Moermond families
Family Group Sheets
(compiled by Ronald A. Gase. Please email me for corrections, additions, questions or if you have special personal requests)
Tree currently contains 154,002 individuals and 65,753 families.
(site updated Saturday, October 24th, 2025)
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Family Group Sheet

HUSBAND Comte Guillaume III "le BON" d'HAINAULT d'AVESNES
	Birth	1 November 1286	Avesnes, Pas-de-Calais, Nord-Pas-de-Calais, France
	Death	8 June 1337	Valenciennes, Département du Nord, Nord-Pas de Calais, France
	Alias		Graaf Willem van HENEGOUWEN;
	Marriage	19 May 1305	Chanay, Aisne, Picardie, France
	Father	Comte Jean II d'AVESNES d'HAINAULT
	Mother	Comtesse Philippina de LUXEMBOURG-MAAS
WIFE Princesse Jeanne de VALOIS
	Birth	about 1294	Longpont, Aisne, Picardie, France
	Death	7 March 1352	Fontenelle, Yonne, Bourgogne, France
	Father	Prince Charles I de VALOIS CAPET de FRANCE
	Mother	Comtesse Marguerite d'ANJOU
CHILDREN