Charles XIII of Sweden
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.