Geoffrey Count of Brittany
| Father | Conan Le Tort Count of Rennes |
| Geoffrey Count of Brittany was the son of Conan Le Tort Count of Rennes. | |
| Marriage* | Geoffrey Count of Brittany married Hedwig, daughter of Richard I The Fearless, Duke of Normandy and Gunnor de Crépon. |
| Death* | Geoffrey Count of Brittany died in 1017. |