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 Claes Cornelisz ONDERWATER
	Birth	before 1623
	Marriage	5 June 1639	Leiden, Zuid-Holland, Nederland
	Father	Cornelis Jansz JACOBSZ (ONDERWATER)
	Mother	Meijnsge ARENTS
WIFE Dirckje Adriaens van REEWIJCK (TIJME)
	Birth	before 1623
	Father	Adriaen Gerritsz van REEWIJCK
	Mother	Neeltgen CLAES
CHILDREN
F	Neeltje Claes ONDERWATER
	Birth	about 1640	Zoeterwoude, Zuid-Holland, Nederland
	Death	after 5 May 1712
	Marriage	25 May 1668	Leendert Pietersz van der PLAS; Zoeterwoude, Zuid-Holland (RK)