You don't say when or where or whom either married.I have record of only one such combination.Although there are none of the proofs you seek here, it gives you a number of places to look for vitals, probates and deeds.
The Genealogy of Henry and Ann Kinne: Pioneers of Salem, MA, by Florance Keeney Robertson, M.A., (Wetzel Pub. Co., Inc., Los Angeles, CA, 1947), p. 15 lists and Amos Kenney (son of Amos, Thomas, John, Henry), b 14 Jan 1765 d 4 Dec 1832 in Athens, PA.He married twice, Margaret and Rebecca.He resided Dunstable, Middlesex, MA & Walton, NY and Bradford, PA.CH: Washington, Margaret, Byron, & Solon (Salon).
Rev. War Pension S40066 MA Line enlisted Dunstable in Middlesex, MA app 1 May 1818 @ Bradford, PA aged 52; in 1802 sol had wife aged 41, dau ae 4, 3 sons ae 10, 7 and 1.
Solon Kenney (son of Amos, Amos, Thomas, John, Henry) was b 11 Feb 1813 Walton, NY and died 24 Dec 1864 Parkersburg, VA.He married 4 Dec [Robertson says 1884, but likely 1834] Polly Hargsul [could be Hartzell or Hartsell](b 7 Dec 1815 Cain, NY - ).She was of Athens, PA.Children: Joseph b 16 Mar 1836 Athens - 7 May 1907 E. Liverpool, OH) married 28 Dec 1865 Mary Catherine Wright of Elizabeth, W. VA who died 17 May 1908.