Nielsen Hayden genealogy
Family: William I "The Lion", King of Scotland / (Unknown mistress of William the Lion, King of Scotland) (F5401)
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Father | Male
William I "The Lion", King of Scotland
Born Abt 1142 Died 4 Dec 1214 Stirling, Stirlingshire, Scotland 
Buried Arbroath Abbey, Angus, Scotland 
Married Other Spouse (Unknown) de Avenal | F4738 Married Other Spouse Ermengarde de Beaumont | F6038 Married 5 Sep 1186 Father Henry of Scotland | F1025 Group Sheet Mother Ada de Warenne | F1025 Group Sheet
Mother | Female
(Unknown mistress of William the Lion, King of Scotland)
Born Died Buried Father Mother
Child 1 | Female
+ Ada of Scotland
Born Died Bef 24 Sep 1200 Buried Spouse Patrick of Dunbar | F1012 Married 1184