I did find a mention of Archibald McCaleb and Evan Evans being his SIL.
Knox County, estate Book 3, p.59 and 54 give the settling of
Archibald's estate in 1819 Knox Co, TN
at the time fo settlement Mary McCaleb was living, along with children Samuel, John, James W.,
Andrew, and Polly McCaleb, Rosegill Wells and sons-in=law John Hagler, John Ewen and Evan Evans
psoted by F. Moore in 1999 on angelfire.com
You might look in Knox Co.