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 154,500 individuals and 66,006 families.
(site updated Tuesday, December 23rd, 2025)
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Family Group Sheet

HUSBAND Earl SIWARD "the Stout" of NORTHUMBRIA
	Birth	about 1020	Denmark
	Death	26 March 1055
	Burial		St. Olave's Church, York, North Yorkshire, England, UK
	Marriage
WIFE Ælfflæd of NORTHUMBRIA
	Father	Ealdred of BERNICIA
CHILDREN
M	Earl Waltheof of NORTHUMBRIA
	Birth	about 1050	England, UK
	Death	31 May 1076	St. Giles's Hill, Winchester, Hampshire, England, UK
	Note		Waltheof was beheaded;
	Marriage	1070	Countess Judith of LENS;