Kathy,
This is what I have found in the 26th Battalion Virginia Infantry book by Terry Lowry.

William C Baker, private, Co. A Enlisted 6/13/1863 at Lewisburg, Greenbrier Co. WV. Captured at Chickahominy, VA 5/31/1864. POW Pt Lookout MD. Transfered Elmira, NY 7/8/1864. Paroled and exchanged at Elmira, NY 3/2/1865

Joseph A Baker, private, Co E enlisted 8/23/1862 at Camp Muddy Creek. Present on 4/30/1863 roll. Captured at Cold Harbor (Gaines Farm)VA 6/3/1864. POW Pt Lookout MD transfered to Elmira, NY 7/12/1864. Died 5/4/1865 of pneumonia at Elmira, NY. Buried Woodlawn National Cemetery, Elmira, NY grave #2757

John H Baker, private Co A enlisted 6/30/1863 at Lewisburg, Greenbrier County, WV. Conscript. Captured at Chickahominy, VA 5/31/1864. POW Pt Lookout MD transfered to Elmira, NY 7/8/1864. Took oath at Elmira, NY and released 6/30/1865. 5'11" dark complextion, dark hair, blue eyes. Residence Dublin, Depot, VA.

Hope this helps,
Bill