Prince Benedetto, Duke of Chablais
Chablais was born at the Palace of Venaria and was the was the youngest child of Charles Emmanuel III of Sardinia and  Elisabeth Therese of Lorraine. His mother died giving birth to him. He was named after Pope Benedict XIV who became pope the year before his birth. His maternal cousin's included the future Queen of Naples and the famous Marie Antoinette. He was his fathers favourite child.