"Maria Antonia von Branconi, née Elsener (27 October 1746 in Genoa – 7 July 1793 in Abano) was the official royal mistress of Charles William Ferdinand, ...
[Read more]
Duke of Brunswick-Wolfenbüttel between 1766 and 1777. She was a friend of Johann Wolfgang von Goethe. Branconi was by her contemporaries known as the most beautiful woman in Germany." - (en.wikipedia.org 12.12.2019)