James K. Marshall
James Keith Jimmy Marshall was a Confederate Army officer during the American Civil War. Marshall commanded the wounded J. Johnston Pettigrews brigade during Picketts Charge at the Battle of Gettysburg. He was killed during the assault.
Marshall was born in Fauquier County, Virginia, to Edward Carrington Marshall and Rebecca Courtenay Peyton Marshall. He was a grandson of Chief Justice of the United States John Marshall. He was related through blood or marriage to Thomas Jefferson, George E. Pickett, and Robert E. Lee. His greatgrandfather had attended school with George Washington and was commander of the 3rd Virginia Infantry during the American Revolutionary War. He was also a first cousin of Col. Thomas A. Marshall and second cousin of General Lees aide, Col. Charles Marshall.
Source: Wikipedia