Van wie was Marie Sophie de Courcillon?

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.

Louis François Armand de Vignerot du Plessis, 3rd Duke of Richelieu (French: [lwi fʁɑ̃swa aʁmɑ̃ də viɲʁo dy plɛsi]; 13 March 1696 – 8 August 1788), was a French soldier, diplomat and statesman. He joined the army and participated in three major wars. He eventually rose to the rank of Marshal of France.

He was the son of Armand Jean de Vignerot du Plessis, duc de Richelieu, who in turn was a great-nephew of Cardinal Richelieu, the prominent French statesman who had dominated France in the early 17th century.