Jean married Jeanne de Montfort 1276. Jeanne (daughter of Eudon de Montfort and Pétronille Paynel) was born Abt 1250. [Group Sheet]
Jean — . Unknown [Group Sheet]
Jeanne married Jean de Tinténiac Abt 1325. Jean (son of Olivier de Tinténiac and Eustaisse de Châteaubriant) was born Abt 1305; died 14 Aug 1352, Bataille de Mauron, Bretagne, France. [Group Sheet]
Isabeau married Jean de Laval Abt 1350. Jean (son of André de Laval and Eustachie de Bauçay) was born Abt 1320; died 1398. [Group Sheet]