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 153.865 individuals and 65,682 families.
(site updated Wednesday, September 24th, 2025)
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Family Group Sheet

HUSBAND Sijbrand Johannes THOMASSE
	Birth	26 June 1853	Amsterdam, Noord-Holland, Nederland
	Death	14 June 1933	Hilversum, Noord-Holland, Nederland
	Occupation		bode (1920, Amsterdam);
	Marriage	7 August 1878	Amsterdam, Noord-Holland, Nederland
WIFE Alberdina BARTELS
	Birth	31 January 1855	Amsterdam, Noord-Holland, Nederland
	Death
CHILDREN
M	Sijbrand Jan THOMASSE Sr.
	Birth	30 December 1893	Amsterdam, Noord-Holland, Nederland
	Occupation	April 1920	kraandrijver; Amsterdam, Noord-Holland, Nederland
	Death	27 July 1955	Bennebroek, Bloemendaal, Noord-Holland, Nederland
	Occupation		fitter; Amsterdam, Noord-Holland, Nederland
	Marriage	21 April 1920	Amelia Susanna Christina "Mé" GASE; Amsterdam, Noord-Holland, Nederland