Prince Johann of Schleswig-Holstein-Sonderburg-Glücksburg was the ninth of the ten children of Friedrich Wilhelm, Duke of Schleswig-Holstein-Sonderburg-Glücksburg and Princess Louise Caroline of Hesse-Kassel. He was named after his ancestor John II, Duke of Schleswig-Holstein-Sonderburg.
- Occupation
- aristocrat, military personnel, consultant, military officer
- Citizenship
- Kingdom of Denmark
- Born
- December 5, 1825
- Died
- May 27, 1911
