"Wilhelm Georg Alexander von Kügelgen (20 November 1802, in St.Petersburg – 25 May 1867, in Ballenstedt) was a German portrait and history painter, writer, and chamberlain at the Court of Anhalt-Bernburg. He is best known for his posthumously published memoirs, which have gone through many editions from seventeen different publishers." - (en.wikipedia.org 24.10.2020)
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