Hedvig Taube
Hedvig Ulrika Taube (1714 – 11 February 1744) also Countess von Hessenstein was a Swedish noble and salonist, official royal mistress to King Frederick I of Sweden. She is generally considered to have been the only official royal mistress in Swedish history, and she did have some political significance.
Read more about Hedvig Taube: Background, Public Scandal, Royal Mistress and Salonist, Almost Exiled, Later Life