Louise Marie Madeleine Fontaine
Louise-Marie-Madeleine Guillaume de Fontaine (after marriage known as Madame Dupin; 28 October 1706 – 20 November 1799) was a French "saloniste".
Louise Marguerite of Lorraine
Her husband to be was François de Bourbon, styled the Prince of Conti. He was a son of Louis de Bourbon, Prince of Condé and his wife Eléanor de Roucy de Roye. François was a widower having lost his first wife Jeanne de Coësmes in 1601; that marriage remained childless despite the union being for twenty years.