Nielsen Hayden genealogy
Family: Henri I of Brabant / Machtild of Boulogne (F784)
m. 1179-
Father | Male
Henri I of Brabant
Born Abt 1158 Died 5 Sep 1235 Koln, Germany 
Buried St. Peter's, Leuven, Belgium Married 1179 [1] Other Spouse Marie de France | F12623 Married 22 Apr 1213 Soissons, Aisne, Picardie, France Father Godfrey III | F823 Group Sheet Mother Margaret von Limburg | F823 Group Sheet
Mother | Female
Machtild of Boulogne
Born Abt 1169 Died Between 1210 and 1211 Buried Afflighem Abbey, Brabant, Belgium Father Mathieu of Flanders | F849 Group Sheet Mother Marie of England | F849 Group Sheet
Child 1 | Female
+ Margareta of Brabant
Born Abt 1192 Died 5 May 1231 Buried Spouse Gerhard van Gelre | F14552 Married Abt 1206
Child 2 | Female
+ Aleidis of Brabant
Born Abt 1194 Died Bef 1267 Buried Spouse Guillaume IX d'Auvergne | F7964 Married Bef 3 Feb 1225
Child 3 | Female
+ Machteld of Brabant
Born Abt 1200 Died 21 Dec 1267 Buried Spouse Floris IV | F13011 Married Aft 5 Nov 1214
Child 4 | Male
+ Henri II of Brabant
Born 1207 Died 1 Feb 1248 Buried Spouse Maria von Hohenstaufen | F4797 Married 22 Aug 1215 Spouse Sophia von Thüringen | F15370 Married 1240
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Sources - [S145] Ancestral Roots of Certain American Colonists Who Came to America Before 1700 by Frederick Lewis Weis and Walter Lee Sheppard, Jr. 8th edition, William R. Beall & Kaleen E. Beall, eds. Baltimore: Genealogical Publishing Company, 2004, 2006, 2008.
- [S145] Ancestral Roots of Certain American Colonists Who Came to America Before 1700 by Frederick Lewis Weis and Walter Lee Sheppard, Jr. 8th edition, William R. Beall & Kaleen E. Beall, eds. Baltimore: Genealogical Publishing Company, 2004, 2006, 2008.