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 James Anthony "Jim" KOORSEN Sr.
	Birth	24 April 1927	Three Rivers, St. Joseph County, Michigan, USA
	Death	18 June 2010	Pittsburgh, Allegheny County, Pennsylvania, USA (University of Pittsburgh Medical Center)
	Burial	26 June 2010	Greens Fork South Cemetery, Wayne County, Indiana, USA
	SSN		314-22-2481 (Indiana, bef. 1951). Last residence: Cranberry Township, Butler County, Pennsylvania;
	Marriage
	Father	Herman Henry "Hank" KOORSEN
	Mother	Sarah Willetta GAMBER
WIFE Joan Carolyn TILLSON
	Birth	2 October 1932	Richmond, Wayne County, Indiana, USA (Reid Memorial Hospital)
	Death	12 November 2001	Ontario, San Bernardino County. California, USA
	SSN		314-30-0178 (Indiana, bef. 1951). Last residence: Victorville, San Bernardino County, California;
	Burial		Earlham Cemetery, Richmond, Wayne County, Indiana, USA
	Occupation		employee of General Telephone Co.;
CHILDREN