| Generation 1 - John Marshall McMahan: Born - 13 Aug 1867 - Tennessee |
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| Generation 1 - John Marshall McMahan: Buried - - Shady Grove Baptist Church Cemetery, Sevier County, Tennessee |
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| Generation 2 - Dr. Wilson R. "Cud" McMahan: Born - 29 Jan 1844 - Sevier County, Tennessee |
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| Generation 2 - Dr. Wilson R. "Cud" McMahan: Buried - - Catons Chapel Cemetery, Sevier County, Tennessee |
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| Generation 2 - Nancy McMahan: Born - 1 Apr 1845 - Sevier County, Tennessee |
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| Generation 2 - Nancy McMahan: Buried - - Shady Grove Baptist Church Cemetery, Sevier County, Tennessee |
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| Generation 3 - Archibald D. McMahan: Born - 31 Mar 1817 - Tennessee |
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| Generation 3 - Archibald D. McMahan: Christened - 24 Mar 1871 - Sevier County, Tennessee |
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| Generation 3 - Archibald D. McMahan: Buried - - Shady Grove Baptist Church Cemetery, Sevier County, Tennessee |
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| Generation 3 - Rebecca F. McMahan: Born - 1824 - Tennessee |
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| Generation 4 - David Crockett McMahan: Died - 4 Apr 1878 - Sevier County, Tennessee |
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| Generation 4 - David Crockett McMahan: Buried - - Richardson Cove Cemetery, Sevier County, Tennessee |
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| Generation 4 - Mary Large: Born - 12 Oct 1798 - South Carolina |
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| Generation 4 - Mary Large: Died - 29 Mar 1853 - Sevier County, Tennessee |
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| Generation 4 - Mary Large: Buried - - Richardson Cove Cemetery, Sevier County, Tennessee |
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| Generation 4 - George McMahan: Born - 1797 - Virginia |
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| Generation 4 - George McMahan: Buried - - Jones Cove, Sevier County, Tennessee |
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