Prince Carl Philip , Duke of Värmland ( Carl Philip Edmund Bertil ; born 13 May 1979 ) , is the only son and the second of three children of King Carl XVI Gustaf and Queen Silvia of Sweden .
Prince Carl Philip of Sweden ( Carl Philip Edmund Bertil ) , born May 13 , 1979 , Duke of Värmland , is the second child of three children and only son of King Carl XVI Gustaf and Queen Silvia of Sweden .