I don't quite understand the question. I did not find his name or a listed widow for a John A or J. A. Roberts listed on the TN State Library list of Confederate pensioners in TN
http://www.state.tn.us/sos/statelib/pubsvs/pen043.htm#pt43
I also did not see a John A or J. A. Roberts listed as drawing a pension from Putnam County.
http://www.state.tn.us/sos/statelib/pubsvs/pen282.htm

Todd