- Born circa 1155
- Deceased circa 1210, at the approximate age of 54 years
Parents
- Guyomarch IV de Léon, alias L'Insensé ( - 1179), chevalier, vicomte de Léon, fondateur de l'abbaye de Daoulas
- Nobilis du Faou
Family
- Married with Margelie de Poher, issuing
- Conan ( - bef. 1231)