Charles Emmanuel III was the Duke of Savoy and King of Sardinia from 1730 until his death. He was born a Prince of Savoy in Turin to Victor Amadeus II of Savoy and his first wife the French Anne Marie d'Orléans. His maternal grandparents were Prince Philippe of France and his first wife Princess Henrietta Anne, the youngest daughter of King Charles I of England and Henrietta Maria of France. Charles Emmanuel was the oldest surviving brother of Princess Maria Adelaide of Savoy - the mother of Louis XV of France; he was also the brother of Maria Luisa of Savoy, Queen of Spain as wife of his maternal second cousin Philip V of Spain. From his birth he was styled as the Duke of Aosta. At the time of his birth, Charles Emmanuel was not the heir to the Duchy of Savoy; his older brother Prince Victor Amadeus John Philip, Prince of Piedmont, was the heir apparent. Charles Emmanuel was the second of three males that would be born to his parents. His older brother died in 1715 and Charles Emmanuel then became heir apparent.
Charles Emmanuel died in Turin in 1773. He was buried in the Basilica of Superga.