- Born in 1060 in Châteaudun
- Deceased on December 15, 1119 in Redon, at the approximate age of 58 years
- Burial at Abbaye Saint-Sauveur de Redon
Parents
- Hoël II de Bretagne, Hoël de Cornouaille (1030 - 1084), duc de Bretagne
- Havoise de Rennes ( - 1072), duchesse de Bretagne
Family
- Married in 1086, with Constance de Normandie (1061 - 1090), without issue.
- Relationship with N N, issuing
- Brian (c. 1090 - c. 1149)
- Married in 1093, with Ermengarde d'Anjou (1068 - 1146), issuing
