What was Johann Ernst Plamann's pupil, the future German chancellor, Duke of?
Johann Ernst Plamann Johann Ernst Plamann (22 June 1771, Repzin3 September 1834, Berlin) was a German child educator. He based his work on the ideas of Johann Heinrich Pestalozzi and Friedrich Ludwig Jahn. Among his pupils was future German chancellor Otto von Bismarck.
Johann II, Duke of Saxe-Weimar Johann II, Duke of Saxe-Weimar ("Johann Maria Wilhelm") (Weimar, 22 May 1570 – Weimar, 18 July 1605), was a Duke of Saxe-Weimar and Jena.