Bertrand VI was lord of La Tour and count of Auvergne from 1461 until his death. He was also count of Boulogne from 1461 to 1477, when he exchanged that title for the county of Lauragais, which he held for the remainder of his life.
In 1445, Bertrand married Louise de La Trémoille, daughter of Georges de La Trémoille and Catherine de L'Isle-Bouchard. They had five children: • John (1461–1501), count of Auvergne and Boulogne; == References ==