Nielsen Hayden genealogy
Family: Affonso I Henriques, King of Portugal / Mafalda of Savoy (F2034)
m. 1146-
Father | Male
Affonso I Henriques, King of Portugal
Born 15 Jul 1110 Died 6 Dec 1185 Coimbra, Portugal 
Buried Monastery of Santa Cruz, Coimbra, Portugal 
Married 1146 [1, 2, 3] Father Henry of Burgundy | F3530 Group Sheet Mother Teresa of Leon and Castile | F3530 Group Sheet
Mother | Female
Mafalda of Savoy
Born Abt 1125 Savoy, Italy 
Died 4 Nov 1157 Coimbra, Portugal 
Buried Monastery of Santa Cruz, Coimbra, Portugal 
Father Amadeo III | F4824 Group Sheet Mother Mahaut of Albon | F4824 Group Sheet
Child 1 | Female
+ Urraca of Portugal
Born Abt 1150 Died 16 Oct 1188 Bamba, near Valladolid, Castile, Spain 
Buried Monastery of San Juan Bautista of the Knights of St. John, Bamba, near Valladolid, Castile, Spain 
Spouse Fernando II, King of Leon, Galicia, and Extremadura | F2662 Married 1165
Child 2 | Male
+ Sancho I, King of Portugal
Born 11 Nov 1154 Coimbra, Portugal 
Died 26 Mar 1211 Coimbra, Portugal 
Buried Santa Cruz de Coimbra, Coimbra, Portugal 
Spouse Dulce of Barcelona | F15149 Married 1174
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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.
- [S846] Spanish-language Wikipedia.
- [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.