Nona,
Here is your info. for William and it looks like a brother??
MUSTER ROLL OF
COMPANY B, 21st REGIMENT
GEORGIA VOLUNTEER INFANTRY
ARMY NORTHERN VIRGINIA
C. S. A.
FLOYD COUNTY, GEORGIA
"FLOYD SHARPSHOOTERS"
Cheshire, Burgess J. (or Chesser)- private February 20, 1862. Wounded at 2d Manassas, Va. August 28, 1862. Appears last on roll for April 20,1863.
Cheshire, William G. (or Chesser)- private February 20, 1862. Wounded at Chancellorsville, Va. May 3, 1863. Admitted to Chimborazo Hospital #2, at Richmond, Va. June 7, 1863. Transferred to Rome, Ga. June 25, 1863. Discharged, disability, August 20,1863.
If you need copies of the records you can order them at this site.
http://history-sites.com/research/index.html
I hope this helps,
Gary D. Bray