After 1452, Bertrand passed most of his time at the Château de Roche-Talbot, his favourite residence in Souvigné-sur-Sarte, but frequently visited Ranton and his other estates in the area. His wife had use of the Château de Ranton through the marriage settlement and lived there until her death. She is buried in the family vault in the Church of the Ropemakers in Loudun. Bertrand died in 1456 at la Roche-Talbot and is buried in the Chapelle de Saint Roche at Souvigné-sur-Sarte. He had five children. The eldest, Philibert took over from his grandfather, Tristan IV, the title of Grand Master of the Household to the King of Sicily, but died before his father in 1456.