He must've been confused with Andrew E DeShazo of Co E, 7th Alabama Regt.

Your ancestor doesn't have a service file, but did respond to the 1921 census of Confederate veterans. Born Oct 8, 1847, Shelby County. Enlisted at Elyton AL, August 1863. The date and place would match the company of Capt Truss, which also served with Barbiere's Battn. Your ancestor did not recall the designation of his unit.