 As noted under Carl IX, today there have not actually been sixteen kings of Sweden named Carl/Charles.The numeral is a continuation of a tradition inspired by fantasy kings created by 16th-century writer Johannes Magnus.On his creation as Duke of Jämtland, Carl XVI Gustaf was granted an achievement of arms which featured the arms of Jämtland in base (these arms can be seen on his stallplate as knight of the Danish Order of the Elephant at Frederiksborg Palace).