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.
House of Bismarck The House of Bismarck is a German noble family that rose to prominence in the 19th-century, largely through the achievements of the statesman Otto von Bismarck. He was granted the hereditary title of Prince of Bismarck in 1871, a hereditary comital title in 1865 and a ducal title, Duke of Lauenburg, held only for his own lifetime. Several of Otto's descendants, notably his son Herbert, Prince of Bismarck, were also politicians.