Guillaume III Taillefer de Toulouse was born in 955 in Toulouse, Haute-Garonne, Midi-Pyrénées, France; died in Sep 1037 in Toulouse, Haute-Garonne, Midi-Pyrénées, France; was buried in Sarrians, Departement du Vaucluse, Provence-Alpes-Côte d'Azur, France.