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".
Louis-Charles de Flers
De Flers was married to Maximilienne Albertine Guillemine de Latre-Neuville. The couple had two children, a daughter Guillemine Aline Ange, born in 1787, and a son Charles Amédée Guillain who was born in 1789 and died in 1857. Guillemine married Alexandre René de Saffray (b. 1785) on 18 August 1828. Charles Amédée first married Anne Bernard Flavie de Froissard (1801–1835). His second wife was countess Nathalie Charlotte Ferdinande d'Oultremont (1818-1900).