Individual Details
Geoffrey "The Hammer" de Gastinois Count de Bretagne
(Abt 1003 - 1 Apr 1046)
Events
| Birth | Abt 1003 | Rennes, Ille-et-Vilaine, Bretagne, France | |||
| Death | 1 Apr 1046 | Anjou, France |
Families
| Spouse | Hedwige (1004 - ) |
| Child | Emme Bretange Countess of Cotentise (1026 - 1060) |
| Father | Geoffroy 1st Gastinois Duke of Bretagne & Rennes ( - ) |
| Mother | Hawise de Normandie Duchess of Brittany & Countess of Rennes ( - ) |
| Sibling | Alain 3rd d'Brittany Duke of Brittany (1000 - ) |
| Sibling | Alain Cagniart Count of Cournouaille (998 - 1058) |
| Sibling | Emme Bretagne (1002 - 1049) |
| Sibling | Odo de Normandie (Rennes) ( - 1079) |
| Sibling | Adela de Bretagne (1000 - 1067) |