Claude de Rouvroy, duc de Saint-Simon, French courtier (b. 1607)
Claude de Rouvroy, duc de Saint-Simon (August 1607 – 3 May 1693), was a French soldier and courtier, and favourite of Louis XIII of France, who created his dukedom for him. His only son Louis de Rouvroy, Duke of Saint-Simon (1675–1755) was the famous memoirist of the court of Louis XIV.
He was the second son of Louis de Rouvroy, seigneur du Plessis (died 1643), who had been a warm supporter of Henry of Guise and the Catholic League.