Nielsen Hayden genealogy
Family: Eudon of Brittany / Orguen (F2139)
Geoffroi I of Brittany (980-1008) 
|
Hawise of Normandy ( -1034)
|
Alan III of Rennes (997-1040)  |
| Eudon of Brittany (999-1079)
|
| Orguen ( -1057) |
| Stephen of Brittany ( -1135) |