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 Roi Guillaume I "le Conquérant" de l'ANGLETERRE, duc de NORMANDIE
	Birth	14 October 1027	Falaise, Département du Calvados, Basse-Normandie, France
	Occupation	between 1066 and 1087	King of England;
	Death	16 September 1087	Rouen, Département Seine-Maritime, Haut-Normandie, France
	Alias		William I, King of ENGLAND (William the Conqueror);
	Burial		L'abbaye aux Hommes, Caen, Département du Calvados, Basse-Normandie, France
	Marriage	about 1051	Rouen, Département Seine-Maritime, Haut-Normandie, France
	Father	Duke Robert I "the Magnificent" de NORMANDIE
	Mother	Herleva Arlette de FALAISE
WIFE Comtesse Mathilde "Matilda" de FLANDRE
	Birth	24 November 1030	Département du Nord, Nord-Pas-de-Calais, France
	Death	3 November 1083	Caen, Département du Calvados, Basse-Normandie, France
	Father	Comte Baudouin V "Baldwin V" de FLANDRE
	Mother	Adela CAPET
CHILDREN
F	Princesse Adèle de l'ANGLETERRE, duchesse de NORMANDIE
	Birth	12 May 1067	Rouen, Département Seine-Maritime, Haut-Normandie, France
	Death	8 March 1138	L'Abbaye de Marcigny, Marcigny, Departement de Saône-et-Loire, Bourgogne, France
	Burial		Abbaye de Holy Trinity, Caen, Calvados, Normandie, France
	Marriage	about 1080	Comte Étienne-Henri "le Sage" de BLOIS; Breteuil-sur-Iton, Evreux, Départyment de l'Eure, Haute-Normandie, France