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 Jacob Jansz BLONKENBURG
	Birth	1719	Katwijk a/d Rijn, Zuid-Holland, Nederland
	Baptism	30 October 1719	Oegstgeest, Zuid-Holland, Nederland
	Death	after 1779
	Marriage	23 November 1749	Katwijk a/d Rijn, Zuid-Holland, Nederland
	Father	Jan Jacobsz BLONKENBURG
	Mother	Anna Laurens "Antie" (van) OBDAM
WIFE Gerarda Jans "Gerrittie" van OOSTEN
	Birth	1730	Valkenburg, Katwijk, Zuid-Holland, Nederland
	Baptism	11 May 1730	Oegstgeest, Zuid-Holland, Nederland
	Death	before 1779
	Father	Jan Bouwentsz van OOSTEN
	Mother	Pieternelletje Gerrits DUIJNDAM
CHILDREN
F	Anna Jacobs "Antje" BLONKENBURG
	Birth	1752	Katwijk a/d Rijn, Zuid-Holland, Nederland
	Baptism	1 September 1752	Oegstgeest, Zuid-Holland, Nederland
	Death	12 January 1829	Katwijk a/d Rijn, Zuid-Holland, Nederland
	Religion		RC;
	Marriage	6 June 1779	Joannes Willemsz "Jan" MAATJES; Oegstgeest, Zuid-Holland, Nederland