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 KOOPMAN
	Birth	27 October 1904	Amsterdam, Noord-Holland, Nederland
	Occupation	October 1925	huisschilder; Peperstraat 4, Amsterdam, Noord-Holland, Nederland
	Residence	February 1941	Blasiusstraat 144 III, Amsterdam, Noord-Holland, Nederland
	Death	20 September 1942	Oświęcim (Auschwitz-Birkenau), Województwo Małopolskie, Polen
	Religion		Nederlands-Israëlitisch (Joods);
	Note		David died of Myocardinsuffizienz (myocarditis, from death books of KL Auschwitz, RAG);
	Note		David is op 25 Aug 1942 uit Westerbork gedeporteerd naar KL Auschwitz;
	Marriage	8 December 1936	Amsterdam, Noord-Holland, Nederland
	Divorce	11 August 1942	Amsterdam, Noord-Holland, Nederland
	Marriage	21 October 1925	Joanna Gerarda VERKOOIJ; Amsterdam, Noord-Holland, Nederland
	Father	Mozes KOOPMAN
	Mother	Sara PEEKEL
WIFE Esther BRANDON
	Birth	30 September 1908	Amsterdam, Noord-Holland, Nederland
	Residence	February 1941	Blasiusstraat 144 III, Amsterdam, Noord-Holland, Nederland
	Death	2 November 1942	Oświęcim (Auschwitz-Birkenau), Województwo Małopolskie, Polen
	Note		Esther is vermoord;
	Father	Joseph BRANDON
	Mother	Helena LEVIJ
CHILDREN
F	Jozina Sara KOOPMAN
	Birth	20 April 1937	Amsterdam, Noord-Holland, Nederland
	Residence	February 1941	Blasiusstraat 144 III, Amsterdam, Noord-Holland, Nederland
	Death	2 November 1942	Oświęcim (Auschwitz-Birkenau), Województwo Małopolskie, Polen
	Note		Jozina is vermoord;