“Gabrielle Emilie le Tonnelier de Breteuil du Chatelet” by Unknown – [1]; crédits photo : J.-E. Bulloz. Licensed under Public Domain via Wikimedia Commons – http://commons.wikimedia.org/wiki/File:Gabrielle_Emilie_le_Tonnelier_de_Breteuil_du_Chatelet.jpg#/media/File:Gabrielle_Emilie_le_Tonnelier_de_Breteuil_du_Chatelet.jpg