Anne-Catherine de Ligniville, Madame Helvétius

Anne-Catherine de Ligniville, Madame Helvétius (23 July 1722 – 12 August 1800), also Anne-Catherine de Ligniville d'Autricourt, nicknamed "Minette", maintained a renowned salon in France in the eighteenth century. == Life == One of the twenty-one children of Jean-Jacques de Ligniville and his wife Charlotte de Saureau, Anne-Catherine de Ligniville, the niece of Madame de Graffigny, married the philosopher Helvétius in 1751.

Source: Wikipedia — Anne-Catherine de Ligniville, Madame Helvétius (CC BY-SA 4.0)