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".
Marie Louise de Rohan
At the age of 23 in 1743, Marie Louise became a widow as her husband died of smallpox like her parents. Afterwards, she led a pious and reserved life. The couple had no surviving children. As a widow, she took Louis-Guillaume Le Monnier as a lover; he was the physician to Louis XV.