Therbusch, Anna Dorothea (c.1721-82). Medium: oil on canvas. Date: 1769. Hans Joachim von Zieten (1999-1786), aka Zieten aus dem Busch, was a cavalry General in the Prussian Army; served in numerous wars during the reign of Frederick the Great; Provenance: Schloss Sanssouci, Potsdam, Brandenburg, Germany. Photographic rights held by The Bridgeman Art Library.