Carl XVI Gustaf (Carl Gustaf Folke Hubertus; born 30 April 1946) has been King of Sweden (Swedish: 'Sveriges Konung') since 15 September 1973. He is the only son of the late Prince Gustaf Adolf, Duke of Västerbotten and Princess Sibylla of Saxe-Coburg and Gotha. He ascended to the throne upon the death of his grandfather, King Gustav VI Adolf.
Carl Gustaf was born at Haga Palace ("Haga Slott") ("Kungliga Hovförsamlingen"), Solna, Uppland. He was christened at the Royal Chapel on 7 June 1946 by the Archbishop of Uppsala, Erling Eidem, and was given the title of Duke of Jämtland.
His godparents were The Crown Prince of Denmark, The Crown Princess of Denmark, The Crown Prince of Norway, Princess Juliana of the Netherlands, King Gustaf V of Sweden, Prince Friedrich Josias of Saxe-Coburg and Gotha, The Crown Prince of Sweden, The Crown Princess of Sweden, Count Folke Bernadotte af Wisborg and Countess Maria Bernadotte af Wisborg.