Geoffroy married Belle-Assez de Thouars Abt 1258. Belle-Assez (daughter of Guy de Thouars and Alix de Mauléon) was born Abt 1240; died 1301. [Group Sheet]
Geoffroy married Isabeau de Machecoul Abt 1290. Isabeau (daughter of Olivier de Bretagne and Eustache de Vitré) was born 1272; died 23 Sep 1313. [Group Sheet]
Eustaisse married Olivier de Tinténiac Abt 1305. Olivier (son of Olivier de Tinténiac and Havoise d'Avaugour) was born Abt 1285. [Group Sheet]
Jean married Jeanne de Dol Abt 1325. Jeanne (daughter of Jean de Dol) was born Abt 1305. [Group Sheet]