Nielsen Hayden genealogy
Family: Henry of Scotland / Ada de Warenne (F1025)
m. Aft 9 Apr 1139David I, King of Scotland (1080-1153) 
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Maud of Northumberland (1072-1130)
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| William II de Warenne (1071-1138)
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| Isabel de Vermandois ( -1147)
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Gundred de Warenne ( -1157)  |
| William III de Warenne (1119-1148) |
| Reynold de Warenne (1126-1180) |
| Ada de Warenne ( -1178)
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| Henry of Scotland (1114-1152)
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| Aleida of Scotland ( -1204) |
| William I "The Lion", King of Scotland (1142-1214) |
| Margaret of Huntingdon (1145-1201) |
| David of Scotland (1152-1219) |