Portrait of Duke Ferdinand of Brunswick-Wolfenbüttel (1721–1792), Prussian Field-Marshal, showing him in his robe of the Order of the Garter with the blue ribbon of the Garter under his left knee, Johann Georg Ziesenis, from 1762 until 1766

Portrait of duke ferdinand of brunswick-wolfenbüttel (1721–1792), prussian field-marshal, showing him in his robe of the order of the garter with the blue ribbon of the garter under his left knee. Object Type: painting. Date: from 1762 until 1766. Medium: oil on canvas. Collection: Schlossmuseum Braunschweig. Duke Ferdinand of Brunswick-Wolfenbuettel (1721–1792)