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 Graaf Floris IV van HOLLAND
	Birth	24 June 1210	's-Gravenhage, Zuid-Holland, Nederland
	Death	19 July 1234	Corbie, Picardie, France
	Marriage	1224
	Father	Graaf Willem I van HOLLAND
	Mother	Adelheid "Aleid" van GELRE
WIFE Gravin Mathilde "Machteld or Maud" van BRABANT
	Birth	about 1200	's-Hertogenbosch, Noord-Brabant, Nederland
	Death	21 December 1267	Loosduinen, Zuid-Holland, Nederland
	Father	Duc Henri I "le Courageux ou le Guerroyeur" de LORRAINE de BRABANT
	Mother	Comtesse Mathilde "Maud" d'ALSACE de FLANDRE (ou de BOULOGNE)
CHILDREN
F	Comtesse Aleidis "Aleida" van HOLLAND
	Birth	22 September 1225	's-Hertogenbosch, Noord-Brabant, Nederland
	Death	9 April 1284	Valenciennes, Département du Nord, Nord-Pas de Calais, France
	Marriage	September 1246	Comte Jean I d'AVESNES d'HAINAULT; Nassau, Germany