Prince Lennart Of Sweden Marries At A London Register Office. Prince Lennart of Sweden was married at the princes row register office, London, to Miss Karin Nissvandt, daughter of a Stockholm business man. He announced his royal rank and titles on his marriage and became plain Mr. Bernadotte. The wedding is in defiance of the ban placed upon it by the King of Sweden. Photo shows the bride and groom leaving the register office watched by a huge crowd.