Nielsen Hayden genealogy
Family: Thurstan de Montfort / (Unknown) de Cantelowe (F2354)
Henry de Montfort ( -1199) 
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| William I de Cantelowe (1156-1239)
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Masceline de Bracy ( -1221)
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William II de Cantelowe ( -1251)  |
| Thurstan de Montfort (1178-1216)
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| Peter de Montfort (1205-1265) |