Frederikke Dannemand was the royal mistress of which King?
Frederikke Dannemand Frederikke Benedichte Dannemand, born as "Bente Frederikke Mortensdatter Andersen Rafsted" (6 August 1790 – 23 December 1862) is known in history as the royal mistress of King Frederick VI of Denmark.
Rosa Dorothea Ritter Rosa Dorothea Ritter (1759–1833), was the royal mistress of William I, Elector of Hesse from 1779 until 1788.