an Entity references as follows:
Marie Sophie de Courcillon (6 August 1713 – 4 April 1756) was a French salonnière, Duchess of Rohan-Rohan and Princess of Soubise by marriage. She was the granddaughter of Philippe de Courcillon, better known as the marquis de Dangeau. She was praised for being a cultured woman for the age and held a fashionable salon at the Hôtel de Soubise in Paris. She was painted by Nattier.