"Johann Georg Dathan (6 September 1701, in Speyer – 23 March 1749, in Speyer) was a German painter of portraits and historical subjects. He was active ...
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in Amsterdam between 1730 and 1736 and Mannheim between 1737 and 1740 before returning to his hometown. One of his best works, an ´Allegory upon the marriage of the Dauphin, son of Louis XV., with the Princess Marie Josephine of Poland,´ is in the Dresden Gallery.[citation needed]" - (en.wikipedia.org 27.10.2019)
