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".
Jean Baptiste Le Sueur Fontaine
Fontaine married his colleague Madame Le Prévost, born Marianne de Nonancour Du Bouchet (1741–1819) in 1775, an actress who after her debut in Brussels in 1757 was known in Paris, Vienna and Copenhagen. They separated in 1776, and she returned to France in 1785. In 1803, she came to live with him in New Orleans.