Nielsen Hayden genealogy
Family: Thebaud le Boteler / Joan fitz John (F10813)
m. Bef 1269Thebaud le Boteler (1223-1248) 
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Margery de Burgh ( -1253)
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| John fitz Geoffrey (1205-1258)
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Maud fitz John ( -1301)  |
| Avelina fitz John ( -1274) |
| Thebaud le Boteler (1242-1285)
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| Joan fitz John ( -1303)
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| Edmund le Boteler ( -1321) |