Frederick VIII, Duke of Schleswig-Holstein and of Schleswig-Holstein-Sonderburg-Augustenburg was the German pretender to the throne of second duke of Schleswig-Holstein from 1863, although in reality Prussia took overlordship and real administrative power.
- Occupation
- aristocrat
- Citizenship
- Kingdom of Prussia
- Born
- July 6, 1829
- Died
- January 14, 1880