 
| Type | Valeur | 
|---|---|
| Titre | Pedigree of Hoel, Duke of Brittany, in Ataviae Regiae, pg. 48 [See document in the Memories section] | 
| Personnes | 
|---|
|  GEOFFROY I 'Grisegonelle' Comte d'Anjou | 
| Ataviae Regiae, pg. 48 | 
| Pedigree of Hoel, Duke of Brittany, in Ataviae Regiae, pg. 48 [See document in the Memories section] |