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 Klaas GASE
	Birth	13 February 1933	Amsterdam, Noord-Holland, Nederland
	Death	20 December 1997	Deventer, Overijssel, Nederland
	Occupation		natuurkundige CERN; Genève, Switzerland
	Burial		Begraafplaats Rusthof, Leusden, Utrecht, Nederland
	Marriage	13 August 1990	Sauverny, Département de l'Ain, Région Auvergne-Rhône-Alpes, Frankrijk
	Marriage	14 December 1955	Hendrika "Hennie" BONDA; Amsterdam, Noord-Holland, Nederland
	Father	Nicolaas GASE
	Mother	Reintje DUIJST
WIFE Dieuwertje Johanna de HEER
	Birth	3 February 1939	Amersfoort, Utrecht, Nederland
	Father	Leendert de HEER
	Mother	Elisabeth Johanna HAMMING
CHILDREN