He was a son of
Victor Amadeus II, Prince of Carignano and
Joséphine of Lorraine, and a fifth-generation descendant of
Thomas Francis, Prince of Carignano, founder of the
Carignano line of the
House of Savoy. On 24 October 1797 he married in Turin
Maria Christina of Saxony, daughter of
Carl Christian Joseph of Saxony, Duke of Courland, himself son of
Augustus III of Poland. They had two children. Charles Emmanuel died three years after his marriage in a French prison. He had fought against the French in the
War of the First Coalition, but had made peace with France after the abdication of
Charles Emmanuel IV. Soon after he became a suspect and was imprisoned by the French in the Citadel of Turin. From there he was moved to
Dijon and then to
Chaillot in
Paris, where he died. He was buried at the
Basilica of Superga. ==Issue==