Nielsen Hayden genealogy
Family: Henri de Fougères / Olive of Brittany (F10625)
Raoul I de Fougères ( -1124) 
|
Avice fitz Richard ( -1113)
|
| Stephen of Brittany ( -1135)
|
| Hawise ( -1136) |
Alan III (1099-1146)  |
| Henri de Fougères ( -1150)
|
| Olive of Brittany ( -1174)
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| Raoul II de Fougères ( -1191) |