Bertrand married Louise d'Abbadie de Saint-Castin 23 Jun 1735, Église Saint-Martin de Pau, Béarn, Pyrénées-Atlantiques, France. Louise (daughter of Bernard Anselme d'Abbadie de Saint-Castin and Charlotte d'Amours de Chauffours) was born 23 Feb 1716, Pau, Béarn, Pyrénées-Atlantiques, France. [Group Sheet]