John Sappington Marmaduke was an American politician and soldier. He was the 25th governor of Missouri from 1885 until his death in 1887. During the American Civil War, he was a senior officer of the Confederate States Army who commanded cavalry in the Trans-Mississippi Theater.
- Occupation
- politician, military officer, Brigadegeneral, governor
- Position held
- Governor of Missouri
- Citizenship
- United States
- Born
- March 14, 1833
- Died
- December 28, 1887