Geoffrey I, Duke of Brittany
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Geoffrey I of Rennes (980 – November 20, 1008) was duke of Brittany, from 992 to his death. He was son of Duke Conan I and Ermengarde of Anjou, whose parents were Geoffrey I of Anjou and Adele of Meaux.
He married Hawise of Normandy, daughter of Richard I of Normandy and an unknown mistress.
[edit] Issue
Geoffrey and Hawise had:
- Alan III his successor
- Eudes, Count of Penthievre
- Evenus
- Emma married Ives, Vicomte de Cotentin.
- Geoffrey became Duke of Brittany through marriage. He was killed in a tournament.
[edit] See also
| Preceded by Conan I |
Duke of Brittany | Succeeded by Alan III |

