Nielsen Hayden genealogy
Family: Roland fitz Uchtred / Ellen de Morville (F793)
m. Bef 1185Uchtred of Galloway ( -1174) 
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| Richard de Morville (1125-1189)
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Avice de Lancaster (1155-1191)
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| Roland fitz Uchtred ( -1200)
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| Ellen de Morville ( -1217)
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Alan fitz Roland ( -1234)  |
| Devorguilla of Galloway ( -1240) |