Bertrand married Rose d'Albret Abt 1370. Rose (daughter of Amanieu d'Albret and Mabile d'Escoussans) was born 1355; died 1393. [Group Sheet]
Bertrand married Isabelle de Preyssac 1410. Isabelle (daughter of Bernard Arnaud de Preyssac and Marguerite de Stratton) was born 1390; died Aft 7 Aug 1437; was buried , Bordeaux, Guyenne (Gironde), Aquitaine, France. [Group Sheet]
Isabeau married François de Gramont 4 Jun 1435, Chapelle du palais archiépiscopal de Bordeaux, Guyenne (Gironde), Aquitaine, France. François (son of Jean de Gramont and Marie de Montaut) was born Abt 1410; died Aft 1 Dec 1462. [Group Sheet]
Isabeau married Bernard de Béarn 1 Jan 1453. Bernard (son of Jean de Foix) was born Abt 1412, France; died Sep 1469, Château de Bidache, Pyrénées-Atlantiques, France. [Group Sheet]
Marguerite married Jean de Béarn 1453. Jean (son of Bernard de Béarn and Catherine de Viella) was born Aft 1432, France; died 1488. [Group Sheet]