Frederick IV of Denmark
Frederick IV was the king of Denmark and Norway from 1699 until his death. Frederick was the son of King Christian V of DenmarkNorway and his consort Charlotte Amalie of HesseKassel.
Without divorcing his first queen, Louise, in 1703 he married Elisabeth Helene von Vieregg . After the death of Elisabeth, he entered a romance with her ladyinwaiting Charlotte Helene von Schindel, though he later lost interest in her. Frederick fell in love with the 19yearold Countess Anne Sophie Reventlow who he carried off from her home in Clausholm near Randers, after the refusal of her mother to turn her younger daughter into a royal mistress. Frederick had seen the young maiden, daughter of the then GrandChancellor during a dance on a 1711s masquerade ball at Koldinghus where the royal family permanently resided during the plague that devastated Copenhagen, a secret marriage was held at Skanderborg onJune 1712. At that time he accorded her the title Duchess of Schleswig . Three weeks after Queen Louises death in Copenhagen onApril 1721, he legalized his relationship with Anna Sophie by a new marriage, this time exalting her queen , it was undoubtedly a relief to get out of
Source: Wikipedia