Frederikke Dannemand was the royal mistress of which King?
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. From 1784 until his accession, he served as regent during his father's mental illness and was referred to as the "Crown Prince Regent" ("kronprinsregent"). For his motto he chose "God and the just cause" (Danish: "Gud og den retfærdige sag" ) and since the time of his reign, succeeding Danish monarchs have also chosen mottos in the Danish language rather than the formerly customary Latin.
Amalie von Wallmoden, Countess of Yarmouth Amalie Sophie Marianne von Wallmoden, Countess of Yarmouth, born Amalie von Wendt (1 April 1704–19 or 20 October 1765) was the principal mistress of King George II from the mid-1730s until his death in 1760. Born into a prominent family in the Electorate of Hanover, and married into another, in 1740 she became a naturalised subject of Great Britain and was granted a peerage for life, with the title of "Countess of Yarmouth", becoming the last royal mistress to be so honoured. She remained in England until the death in 1760 of King George II, who is believed to have fathered her second son, Johann Ludwig, Reichsgraf von Wallmoden-Gimborn. She returned to Hanover for the rest of her life, surviving the king for nearly five years.