Nielsen Hayden genealogy
Family: Robert of France / Mahaut of Brabant (F220)
m. 14 Jun 1237-
Father | Male
Robert of France
Born 17 Sep 1216 Died 9 Feb 1250 Mansourah, Egypt 
Buried Married 14 Jun 1237 [1, 2, 3] Father Louis VIII, King of France | F1042 Group Sheet Mother Blanche of Castile, Queen Consort of France | F1042 Group Sheet
Mother | Female
Mahaut of Brabant
Born Abt 1224 Died 29 Sep 1288 Buried Cercamp Abbey, Artois, France 
Other Spouse Guy II de Châtillon | F17125 Married Abt 31 May 1254 Father Henri II of Brabant | F4797 Group Sheet Mother Maria von Hohenstaufen | F4797 Group Sheet
Child 1 | Female
+ Blanche of Artois
Born Abt 1248 Died 2 May 1302 Paris, France 
Buried Church of the Cordeliers, Paris, France 
Spouse Enrique I, King of Navarre | F3800 Married 1269 Spouse Edmund "Crouchback" | F3898 Married 18 Jan 1276 Paris, France 
Child 2 | Male
+ Robert II
Born Aft Aug 1250 Died 11 Jul 1302 Buried Spouse Amicie de Courtenay | F14703 Married 1262
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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.
- [S1526] The Ancestry of Dorothea Poyntz, Wife of Reverend John Owsley, Generations 1-15, Fourth Preliminary Edition, by Ronny O. Bodine and Bro. Thomas Spalding, Jr. 2013.
- [S49] Genealogics, by Leo Van de Pas.
- [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.