| Father | Male Hoel V de Cornuaille Count of Brittany |
| Born | 1030 | |
| Died | ||
| Buried | ||
| Married | ||
| Father | Alan Cornouaille Count Of Brittany | F25125 Group Sheet | |
| Mother | Judith De Nantes | F25125 Group Sheet | |
| Mother | Female Hawise of Brittany |
| Born | 1036 | |
| Died | ||
| Buried | ||
| Father | Allain III Count Rennes | F24032 Group Sheet | |
| Mother | Berthe Of Blois | F24032 Group Sheet | |
| Child 1 | Male Conan III Le Gross Duke of Brittany |
| Born | 1070 | Bretagne, Loire-Atlantique, Pays de la Loire, France |
| Died | 17 Sep 1148 | |
| Buried | ||
| Spouse | Maud Margaret Princess of England | F25123 | |
| Married | ||
| Child 2 | Male Alan IV Fergen Duke of Brittany |
| Born | 1072 | |
| Died | 1119 | |
| Buried | ||
| Spouse | Ermengarde D'Anjou | F25161 | |
| Married | ||