Карл XIII
The Crown Prince was Viceroy of Norway briefly in 1856 and 1857. He became Regent on 25 September 1857, and king on the death of his father on 8 July 1859. As grandson of Augusta of Bavaria, he was a descendant of Gustav I of Sweden and Charles IX of Sweden, whose Vasa blood returned to the throne after being lost in 1818 when Charles XIII of Sweden died.