Heinrich Joseph Johann von Auersperg (24 June 1697, Vienna – 9 February 1783, Vienna) was the fourth Prince of Auersperg, and one of the longest reigning monarchs in history.
He was successively Grand Master of the Court, Grand Equerry and Grand Chamberlain at the Viennese court.
During his reign Duchy of Münsterberg and Frankenstein, the Silesian dominions of the Auerspergs, came under Prussian rule.
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