François Louis de Bourbon, le Grand Conti, was Prince de Conti, succeeding his brother, Louis Armand de Bourbon, in 1685. Until this date, he used the title of Prince of La Roche-sur-Yon. He was son of Armand de Bourbon, Prince of Conti and Anne Marie Martinozzi, daughter of Girolamo Martinozzi and niece of Cardinal Mazarin, through her mother. He was proclaimed as the King of Poland in 1697. He is the most famous member of the Conti family, a cadet branch of the Princes of Condé. As a member of the reigning House of Bourbon, he was a prince du sang.