Wedding of Crown Prince Gustaf Adolf of Sweden and Lady Louise Mountbatten at the Chapel Royal at St. James’s Palace, London on this day in 1923. Royal Guests included King Gustav of Sweden, King George, Queen Mary, and Queen Alexandra of Britain, Queen Maud of Norway, and Queen Olga of Greece. The groom was a widower with five children, including Queen Ingrid of Denmark andPrince Gustaf Adolf of Sweden, Duke of Västerbotten, and previously married to Princess Margaret of Connaught until her death in childbirth in 1920. The bride, who had previously declared that she would never marry a King or a Widower, was born Princess Louise of Battenberg, the younger daughter of Prince Louis of Battenberg and Princess Victoria, Marchioness of Milford Haven, was the sister of Lord Mountbatten and Princess Alice of Greece, thus making her the maternal aunt of the Duke of Edinburgh. The couple had no children, though Crown Princess Louise became a beloved stepmother, acceded to the Swedish Throne in 1950, and remained happily married until her death in 1965.