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 Gerrit KOEK Jr.
	Birth	1 September 1843	Amsterdam, Noord-Holland, Nederland
	Occupation	November 1868	ketelmaker; Amsterdam, Noord-Holland, Nederland
	Marriage	25 November 1868	Amsterdam, Noord-Holland, Nederland
WIFE Jacomijntje van VOORTHUIJSEN
	Birth	25 February 1838	Amsterdam, Noord-Holland, Nederland
CHILDREN
M	Gerrit KOEK III
	Birth	20 September 1869	Amsterdam, Noord-Holland, Nederland
	Occupation	April 1895	ketelmaker; Amsterdam, Noord-Holland, Nederland
	Death	29 December 1956	Rotterdam, Zuid-Holland, Nederland
	Marriage	18 April 1895	Philippine Louise LANGENBERG; Amsterdam, Noord-Holland, Nederland