Nielsen Hayden genealogy
Family: Henry of Aldithley / Bertrade de Mainwaring (F6321)
m. 1217Adam of Aldithley ( -1203) 
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Emma fitz Ralph ( -1246)
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| Ralph Mainwaring ( -1190)
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Roger Mainwaring ( -1243)  |
| Henry of Aldithley (1175-1246)
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| Bertrade de Mainwaring ( -1249)
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| Alice de Audley ( -1265) |
| Emma de Audley (1218-1270) |
| James de Aldithley (1220-1272) |