Maria Wilhelmine von Thun und Hohenstein
Maria Wilhelmine von Thun und Hohenstein, born Uhlfeldt (Vienna 13 June 1744 – Vienna 18 May 1800) was a Viennese countess. She is remembered as the sponsor of a musically and intellectually outstanding salon and for her patronage of music, notably that of Mozart and Beethoven. Provided by Wikipedia
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