Nielsen Hayden genealogy
Family: Alan fitz Flaald / Aveline de Hesdin (F5317)
Ernulf de Hesdin ( -1091) |
Maud de Hesdin ( -1134)  |
Alan fitz Flaald ( -1115) 
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| Aveline de Hesdin ( -1149)
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| William fitz Alan ( -1160) |
| Walter fitz Alan (1110-1177) |