Mentioned in

• The Kaiser, Dignitaries, and the Press as Guests of Albert Ballin (Johannes Gerhardt)

Persons

• Friedrich Wilhelm I., Preußen, König (August 15, 1688, Berlin - May 31, 1740, Potsdam)
• Plessen, Hans Georg Hermann (November 26, 1841, Spandau - January 28, 1929, Potsdam)
• Preußen (Wilhelm II.), Friedrich Wilhelm Viktor Albert (January 27, 1859, Potsdam - June 04, 1941, Doorn)
• Preußen, Wilhelm (May 06, 1882, Potsdam - July 20, 1951, Hechingen)