[1] In 1171, in support of the Albigensians, Bernard's troops pillaged and partially destroyed the cathedral of Auch.
Upon his return, he was banned from entering the city and had to seek refuge at St. Martin's.
Later, Count Raymond of Toulouse captured Auch and burned the cathedral.
In 1182, his uncle, Bernard IV, Count of Armagnac and Fézensac, declared him heir to his county and gave him the manor of Fezensaguet.
Bernard Fezensaguet married to 1172 Géralda, daughter of Roger-Bernard I Count of Foix and Cecile Trencavel.