Excerpt: "Also in his letters, He asks about a Jesse and a Moses. I don’t know if these are brothers, brother-in-laws, or family friends."
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Not sure if this will help but a quick search reveals his wife, Matilda Davenport, had 2 brothers named Jesse & Moses Davenport..Perhaps, the Jesse & Moses mentioned in your letter..

http://home.nc.rr.com/rwbaird/davenport/PresleyGDavenport.htm

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Gay