Marie-Christine de Rouvroy

Marie-Christine de Rouvroy de Saint-Simon, known as "Mademoiselle de Ruffec," was the granddaughter of the memoirist Saint-Simon. In 1749, she became Countess of Valentinois through her marriage to Charles-Maurice Goyon de Matignon, Count of Valentinois. In 1754, she became Countess of Rasse and a Grandee of Spain upon the death of her uncle, Jean-Armand de Rouvroy de Saint-Simon.