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

FATHER Dell W. KOOP
	Birth	13 September 1924	Michigan, USA
	Death	25 June 1992	Broward County, Florida, USA
	SSN		710-09-9592 (Railroad Board, bef. 1951);
MOTHER June Arra MIDDAG
	Birth	24 June 1925
	Death	26 May 2000	Collin County, Texas, USA
	SSN		374-20-3519 (Michigan, bef. 1951). Last residence: Wylie, Dallas County, Texas;
CHILDREN
M	Daniel Lee KOOP
	Birth	25 August 1944	Holland, Ottawa County, Michigan, USA
	Marriage	9 July 1968	Myra Catherine STUDER; Blakeslee, Williams County, Ohio, USA