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 Gerard Pierre Leonard van SWIETEN
	Birth	2 October 1894	's-Gravenhage, Zuid-Holland, Nederland
	Death	29 January 1968	's-Gravenhage, Zuid-Holland, Nederland
	Burial	1 February 1968	's-Gravenhage, Zuid-Holland, Nederland
	Marriage	11 May 1916	Banyuwangi, Jawa-Timur, Indonesia
WIFE Bertha Louise NICOLAAS PONDER
	Birth	3 January 1894	Banyuwangi, Jawa-Timur, Indonesia
	Death	5 January 1930	's-Gravenhage, Zuid-Holland, Nederland
	Burial	8 January 1930	's-Gravenhage, Zuid-Holland, Nederland
CHILDREN
F	Francine Emmy van SWIETEN
	Birth	13 November 1925	Djakarta, Indonesië (fka Batavia, Nederlandsch Indië)
	Death	2 July 2015	Melbourne, Victoria, Australia
	Marriage	22 October 1947	Andries WITTE Jr.; Amsterdam, Noord-Holland, Nederland