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 Thierry II "le Vaillant" d'ALSACE
	Birth	about 1044	Alsace, Alsace-Lorraine, France
	Death	30 December 1115	Châtenois, Département du Bas Rhin, Alsace-Lorraine, France
	Marriage	15 August 1095	Han-sur-Lesse, Namur, Belgique
WIFE Gertrude de FLANDRE
	Birth	about 1070	Belgique
	Death	about 1117	Lorraine, Alsace-Lorraine, France
CHILDREN
M	Comte Thierry III d'ALSACE de LORRAINE
	Birth	about 1099	Alsace, Alsace-Lorraine, France
	Death	17 January 1168	Gravelines, Département du Nord, Nord-Pas-de-Calais, France
	Burial		l'Abbaye de Watten, Saint-Omer, Départment Pas-de-Calais, Nord-Pas-de-Calais, France
	Marriage	1134	Sybille d'ANJOU de FLANDRE; Alsace-Lorraine, France