La Loge des Neuf Sœurs, established in Paris in 1734, was a prominent French Masonic Lodge of the Grand Orient de France that was influential in organising French support for the American Revolution.
Anne-Catherine de Ligniville, Madame Helvétius, also Anne-Catherine de Ligniville d'Autricourt, nicknamed "Minette", maintained a renowned salon in France in the eighteenth century.