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 Jean II d'AVESNES d'HAINAULT
	Birth	about 1247	Mons, Hainaut, Belgique
	Death	22 August 1304	Valenciennes, Département du Nord, Nord-Pas de Calais, France
	Marriage	about 1270	Valenciennes, Département du Nord, Nord-Pas de Calais, France
	Father	Comte Jean I d'AVESNES d'HAINAULT
	Mother	Comtesse Aleidis "Aleida" van HOLLAND
WIFE Comtesse Philippina de LUXEMBOURG-MAAS
	Birth	about 1252	Luxembourg
	Death	6 April 1311	Valenciennes, Département du Nord, Nord-Pas de Calais, France
	Father	Comte Henri V de LUXEMBOURG-MAAS
	Mother	Comtesse Marguerite de BAR-le-DUC
CHILDREN
M	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	Princesse Jeanne de VALOIS; Chanay, Aisne, Picardie, France