Looking at his compiled service records, This is what I found: William S. Edmondson, Private, 29 Mississippi Co H... was captured Jan 5, 1863 at
Murfreesboro, Tennessee (Stones River). He is listed on registar as a Prisoners of War, Dept of the Cumberland. Sent to (Gratiot St.) military prison in St. Louis, Mo. on Jan 31, 1863.

Content Source: The National Archives Publication Number: M269 Publication Title: Compiled Service Records of Confederate Soldiers Who Served in Organizations from the State of Mississippi Content Source: NARA Short Description: NARA M269. Compiled service records of Confederate soldiers from Mississippi units, labeled with each soldier's name, rank, and unit, with links to revealing documents about each soldier. Military Unit: Twenty-ninth Infantry, D-I Surname Starts With: E Givenname: Wm S Surname: Edmondson Age: [Blank] Year: 1862