He married Princess Victoria of Baden on September 20, 1881. She was the granddaughter of Sofia of Sweden, and her marriage to Gustav V united the reigning Bernadotte dynasty with the former royal house of Vasa.
SWEDEN Oscar Gustaf V Adolf King Of, b. 16 Jun 1858, Drottningholm Castle, Lovho, Stockholm, Sweden , d. 29 Oct 1950, Royal Palace, Stockholm, Stockholm, Sweden