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 Duc Henri I "le Courageux ou le Guerroyeur" de LORRAINE de BRABANT
	Birth	21 March 1160	Département de la Meuse, Lorraine, Alsace-Lorraine, France
	Death	5 September 1235	Köln, Nordrhein-Westfalen, Deutschland
	Marriage	30 March 1180
WIFE Comtesse Mathilde "Maud" d'ALSACE de FLANDRE (ou de BOULOGNE)
	Birth	1 November 1163	Boulogne, Département de Pas-de-Calais, Nord-Pas-de-Calais, France
	Death	16 October 1210	Leuven, Brabant, België
	Burial		St. Pieterskerk, Leuven, Brabant, België
	Father	Comte Matthieu I d'ALSACE
	Mother	Comtesse Marie de BLOIS
CHILDREN
F	Gravin Mathilde "Machteld or Maud" van BRABANT
	Birth	about 1200	's-Hertogenbosch, Noord-Brabant, Nederland
	Death	21 December 1267	Loosduinen, Zuid-Holland, Nederland
	Marriage	1224	Graaf Floris IV van HOLLAND;