Rodulfus Glaber [ii, 3 (pp. 30-1)] states that Conan married a sister of count Foulques of Anjou, the Chronicle of S. Florent says that Geoffrey was son of Conan by a sister of Foulques [Lobineau (1707), 2: 85], and the Angevin genealogical collection states that Judith, wife of Richard of Normandy, was the daughter of Conan by his wife Ermengarde, daughter of Geoffroy of Anjou [Poupardin (1900), 208].