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 David Sylvester KOOP
	Birth	19 November 1946	Fort Wayne, Allen County, Indiana, USA
	Marriage	22 March 1969	Lakin, Kearney County, Kansas, USA
	Father	William John KOOP
	Mother	Helen Vera LAFONTAINE
WIFE Marsha Anne JARBOE
	Birth	2 February 1949	Pratt, Pratt County, Kansas, USA
	Father	James Frank JARBOE
	Mother	Louella I. WISE
CHILDREN
M	Jeffrey David KOOP
	Birth	16 September 1970	Fort Wayne, Allen County, Indiana, USA
	Death	24 December 1992
	SSN		314-92-4999 (Indiana, 1984-1985);
F	Janet Ann KOOP
	Birth	5 November 1973	Fort Wayne, Allen County, Indiana, USA
	Death	5 November 1973	Fort Wayne, Allen County, Indiana, USA
F	Sherry Lynn KOOP
	Birth	28 May 1975	Fort Wayne, Allen County, Indiana, USA
F	Sandra Marie KOOP
	Birth	31 May 1978	Fort Wayne, Allen County, Indiana, USA