Through his mother's side of the family, Bertrand was related to the Counts of Toulouse, William IV and Raymond IV of Saint-Gilles, who were his cousins.
Bertrand Russell | Jean-Bertrand Aristide | Bertrand Tavernier | Bertrand Cantat | Yann Arthus-Bertrand | Bertrand Delanoë | Bertrand Burgalat | Bertrand R. Brinley | Bertrand de Jouvenel | Saint-Bertrand-de-Comminges | Plastic Bertrand | Mathieu Bertrand | John Bertrand Conlan | Henri Gatien Bertrand | Bertrand Renouvin | Bertrand Piccard | Bertrand Blier | Grand Prix du Comminges | Gabriel Bertrand | Bertrand Goldberg | Bertrand du Pouget | Bertrand Dawson, 1st Viscount Dawson of Penn | Bertrand Clausel | Bertrand Chamayou | Bertrand Bonello | Bertrand Baguette | Aloysius Bertrand | William Bertrand of Provence | Saint-Bertrand-de-Comminges Cathedral | Prince Bertrand of Orléans-Braganza |