Nielsen Hayden genealogy
Family: William I "The Lion", King of Scotland / Ermengarde de Beaumont (F6038)
m. 5 Sep 1186Henry of Scotland (1114-1152) 
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Ada de Warenne ( -1178)
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Aleida of Scotland ( -1204)  |
| Margaret of Huntingdon (1145-1201) |
| David of Scotland (1152-1219) |
| Richard I de Beaumont (1130-1195)
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| Lucy de l'Aigle ( -1218)
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| Constance de Beaumont ( -1227) |
| William I "The Lion", King of Scotland (1142-1214)
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| Ermengarde de Beaumont ( -1233)
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| Margaret of Scotland (1187-1259) |
| Alexander II, King of Scotland (1198-1249) |