Nielsen Hayden genealogy
Family: Fulk IV Fitzwarine / Constance de Toeni (F5639)
m. Aft 1238Fulk III Fitzwarine ( -1235) 
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Maud le Vavasour ( -1225)
|
Hawise Fitzwarine ( -1233)  |
| Eve Fitzwarine ( -1282) |
| Ralph VI de Tony (1189-1239)
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| Pernel de Lacy ( -1288)
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| Roger V de Tony (1235-1264) |
| Fulk IV Fitzwarine (1208-1264)
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| Constance de Toeni (1233-1266)
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| Fulk V Fitzwarine (1251-1315) |