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The Dunkelgrafen (French: Comte et Comtesse des Ténèbres, lit. '«Dark Counts»' in German) is the nickname given by the locals to a wealthy couple who lived in the vicinity of Hildburghausen, Thuringia in the early 19th century. The man was identified as Leonardus Cornelius van der Valck (1769-1845), and used the alias Count Vavel de Versay. The woman was identified as Sophie Botta (c. 1777-1837).