The official records read: "Hill, Robert F. Private July 9, 1861. Appointed 3rd Sergeant September 1, 1861. Wounded at Chancellorsville, Va. May 3, 1863. Captured at Spotsylvania, Va. May 12, 1864. Released at EImira, NY June 12, 1865."
He was captured 6 days after my Grandfather, Elijah Shepard was captured [May 6, 1864]. Elijah also spent time in Elmira Prison and was released June 19, 1865, one week after Robert was released.