Nielsen Hayden genealogy
Family: Henry of Scotland / Ada de Warenne (F1025)
m. Aft 9 Apr 1139-
Father | Male
Henry of Scotland
Born Abt 1114 Died 12 Jun 1152 Buried Kelso Abbey, Roxburghshire, Scotland 
Married Aft 9 Apr 1139 [1, 2, 3, 4, 5] Father David I, King of Scotland | F5533 Group Sheet Mother Maud of Northumberland | F5533 Group Sheet
Mother | Female
Ada de Warenne
Born Died 1178 Buried Father William II de Warenne | F4959 Group Sheet Mother Isabel de Vermandois | F4959 Group Sheet
Child 1 | Female
+ Aleida of Scotland
Born Died Aft 11 Jan 1204 Buried Spouse Floris III | F13013 Married 1162
Child 2 | Male
+ William I "The Lion", King of Scotland
Born Abt 1142 Died 4 Dec 1214 Stirling, Stirlingshire, Scotland 
Buried Arbroath Abbey, Angus, Scotland 
Spouse (Unknown mistress of William the Lion, King of Scotland) | F5401 Married Spouse (Unknown) de Avenal | F4738 Married Spouse Ermengarde de Beaumont | F6038 Married 5 Sep 1186
Child 3 | Female
+ Margaret of Huntingdon
Born Abt 1145 Died 1201 Buried Sawtrey Abbey, Huntingdonshire, England 
Spouse Conan IV | F10579 Married 1160 England 
Spouse Humphrey de Bohun | F650 Married Between 29 Sep 1172 and 1 Jan 1175
Child 4 | Male
+ David of Scotland
Born 1152 Died 17 Jun 1219 Jerdelay, Yardley, Northamptonshire, England 
Buried Sawtrey Abbey, Huntingdonshire, England 
Spouse (Unknown mistress of David of Scotland) | F8433 Married Spouse Maud of Chester | F4105 Married 26 Aug 1190
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Sources - [S76] The Oxford Dictionary of National Biography. Oxford University Press, 2004-ongoing.
- [S142] Royal Ancestry: A Study in Colonial and Medieval Families by Douglas Richardson. Salt Lake City, 2013., year only.
- [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., year only.
- [S3209] Ancestor Table: Hansen by Charles M. Hansen. Sausalito, California, 2017., year only.
- [S4384] George Eldridge, Hydrographer, and Eliza Jane His Wife: Their Ancestors and Their Descendants by Henry James Young. Carlisle, Pennsylvania: 1982., year only.
- [S76] The Oxford Dictionary of National Biography. Oxford University Press, 2004-ongoing.