Captain Henry Hungerford Marmaduke (CSN)

http://www.arlingtoncemetery.net/hhmarmaduke.htm

Henry Hungerford Marmaduke served in the Confederate Navy. He commanded a gun crew of 14 men on board the ironclad CSS Virginia (aka, CSS Merrimac) during it's historic battle with the ironclad USS Monitor in Hampton Roads, Virginia.

http://en.wikipedia.org/wiki/CSS_Virginia

He was later captured and imprisoned on Johnson's Island.

After the Civil War, he served the U.S. federal government in negotiations with South American nations and commanded a ship in the Columbian Navy.

He is buried in Arlington National Cemetery.

https://www.findagrave.com/memorial/10642140/henry-hungerford-marma...

Captain, Provisional Navy, CSA. Son of Missouri Governor M.M. Marmaduke who remained a unionist during the Civil War. His brother was Confederate General John Sappington Marmaduke, who was a post-war governor of Missouri. Was asked by the Colombian government in 1902 to skipper the warship Bogota chasing rebel ships up and down the Colombian coast.