| Generation 1 - Hattie Viola McMahan: Died - 13 Mar 1923 - Cocke County, Tennessee |
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| Generation 2 - Sanberry B. McMahan: Born - 4 Jul 1866 - Tennessee |
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| Generation 2 - Sanberry B. McMahan: Died - 9 Oct 1922 - Cocke County, Tennessee |
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| Generation 2 - Sanberry B. McMahan: Buried - - Dunn Cemetery, Cocke County, Tennessee |
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| Generation 2 - Pheobe Dunn: Born - 10 Oct 1878 - Tennessee |
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| Generation 2 - Pheobe Dunn: Died - 18 May 1928 - Cocke County, Tennessee |
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| Generation 2 - Pheobe Dunn: Buried - 19 May 1928 - Dunn Cemetery, Cocke County, Tennessee |
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| Generation 3 - William "Gulger Bill" McMahan: Born - 1838 - Tennessee |
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| Generation 3 - William "Gulger Bill" McMahan & Harriet Allen: Married - 6 Jun 1860 - Sevier County, Tennessee |
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| Generation 3 - Harriet Allen: Born - Abt 1842 - Tennessee |
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| Generation 3 - Manson "Mance" Dunn: Born - Abt 1859 - Sevier County, Tennessee |
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| Generation 3 - Mary Sims: Born - Abt 1851 - Cocke County, Tennessee |
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| Generation 4 - William "Bill" McMahan: Born - 1804 - North Carolina |
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| Generation 4 - William "Bill" Allen: Born - 12 Nov 1812 - Tennessee |
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| Generation 4 - Rhoda Allen: Born - 1814 - Tennessee |
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| Generation 4 - Arch Dunn & Elizabeth "Betsy" McMahan: Married - 4 Oct 1856 - Sevier County, Tennessee |
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| Generation 4 - Elizabeth "Betsy" McMahan: Born - 1835 - Tennessee |
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