Nielsen Hayden genealogy
Family: Henri I of Brabant / Machtild of Boulogne (F784)
m. 1179-
Male
Henri I of Brabant
Birth Abt 1158 Death 5 Sep 1235 Koln, Germany 
Burial St. Peter's, Leuven, Belgium Marriage 1179 [1] Other Spouse Marie de France | F12623 Marriage 22 Apr 1213 Soissons, Aisne, Picardie, France Father Godfrey III | F823 Group Sheet Mother Margaret von Limburg | F823 Group Sheet
Female
Machtild of Boulogne
Birth Abt 1169 Death Between 1210 and 1211 Burial Afflighem Abbey, Brabant, Belgium Father Mathieu of Flanders | F849 Group Sheet Mother Marie of England | F849 Group Sheet
Female
+ Margareta of Brabant
Birth Abt 1192 Death 5 May 1231 Burial Spouse Gerhard van Gelre | F14552 Marriage Abt 1206
Female
+ Aleidis of Brabant
Birth Abt 1194 Death Bef 1267 Burial Spouse Guillaume IX d'Auvergne | F7964 Marriage Bef 3 Feb 1225
Female
+ Machteld of Brabant
Birth Abt 1200 Death 21 Dec 1267 Burial Spouse Floris IV | F13011 Marriage Aft 5 Nov 1214
Male
+ Henri II of Brabant
Birth 1207 Death 1 Feb 1248 Burial Spouse Maria von Hohenstaufen | F4797 Marriage 22 Aug 1215 Spouse Sophia von Thüringen | F15370 Marriage 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.