Question: Frederikke Dannemand was the royal mistress of which King?
Sentence (from "Frederick VI of Denmark"): Frederick VI (Danish and Norwegian: "Frederik"; 28 January 17683 December 1839) was King of Denmark from 13 March 1808 to 3 December 1839 and King of Norway from 13 March 1808 to 7 February 1814.
Relevant evidence: Yes