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 Willem Hugosz van THEYLINGEN van BREDERODE I
	Birth	12 June 1162	Sassenheim, Teylingen, Zuid-Holland, Nederland
	Death	1203	Slot Brederode, Santpoort-Noord, Velsen, Noord-Holland, Nederland
	Occupation		ridder;
	Marriage	about 1180	Santpoort-Noord, Velsen, Noord-Holland, Nederland
	Father	Hogo Gerritsz van THEYLINGEN
	Mother	Maria Daniels van der MERWEDE
WIFE Agniese van BENTHEIM
	Birth	1155	Grafschaft Bentheim, Niedersachsen, Deutschland
	Death	about 1203	Sassenheim, Teylingen, Zuid-Holland, Nederland
	Father	Graaf Otto van HOLLAND I
	Mother	Alveradis van CUYK van AMSBERG
CHILDREN
M	Dirk van THEYLINGEN van BREDERODE
	Birth	17 August 1180	Slot Brederode, Santpoort, Velsen, Noord-Holland, Nederland
	Death	19 November 1236	Slot Brederode, Santpoort-Noord, Velsen, Noord-Holland, Nederland
	Occupation		ridder, Heer van Brederode, Heer van Doorthoge, drossaard van de graven van Holland.;
	Marriage	about 1215	Alvaradis Jans "Aleida" van HEUSDEN; Heusden, Noord-Brabant, Nederland