Prince Charles of Denmark [SEP] sister
accompanied by Carl Adolph von Plessen, the son of his mentor, and only three years his senior. Von Plessen would remain a close friend and companion of the prince for the rest of his life, with title of first hoffmeister and later chamberlain.
Prince Charles was never married. Between 1697 and 1699, there was a Danish policy to create an alliance with Sweden through a double wedding between Charles XII of Sweden and Princess Sophia Hedwig of Denmark, and Prince Charles of Denmark and Hedvig Sophia of Sweden (after the
of Otto of Habsburg, the last Crown Prince of Austria-Hungary, and her mother was a daughter of Princess Elizabeth of Greece and Denmark, the sister of Princess Marina of Greece and Denmark. Through her mother she is related to Queen Sofía of Spain and Prince Philip, Duke of Edinburgh, making her a distant cousin of Charles, Prince of Wales, and also a second cousin of the current Prince Edward, Duke of Kent, and actress Catherine Oxenberg.
As Sophie Habsburg, she moved to Spain to pursue