Two gentlemen together are:

Rev David M Heath born Oct 17, 1817 Cabell Co WV d. 29 Dec 1900 Pattonsburg, Daviess Co MO who married 4 Oct 1838 in Cabell Co WV,
Letha McComas. David M Heath was son of Israel Heath and Elizabeth Blue. Letha McComas was daughter of Moses McComas and his wife Lucy Napier.
 (short one in tintype). To his LEFT is his son Rev. William Redmond Heath, Methodist Episcopal Minister born July 10 1842 Platte co MO who died July 14 1910, Daviess Co. MO.

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2nd photo is Rev David M Heath born Oct 17 1817 Cabell Co WV,
son of Israel Heath and his wife Elizabeth Blue with his 2nd wife Elizabeth Jane Kerr born Jan 25 1828.
His first wife Letha (McComas) Heath died Apr 27 1847 in Platte Co. MO. He remarried Elizabeth Jane Kerr on 7 Oct 1847 in Platte Co MO.

(Photo courtesy of Cameron Ashley Heath)