Nielsen Hayden genealogy
Family: Alan fitz Roland / (Unknown daughter of Roger de Lacy) (F876)
m. Between 1200 and 1205Roland fitz Uchtred ( -1200) 
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Ellen de Morville ( -1217)
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Devorguilla of Galloway ( -1240)  |
| Roger de Lacy (1165-1211)
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| Maud de Clare ( -1213)
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| John de Lacy (1192-1240) |
| Alan fitz Roland ( -1234)
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| Helen of Galloway ( -1245) |