| Generation 1 - Robert McMahan: Born - Abt 1937 - Michigan |
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| Generation 2 - Von Tillman McMahan: Born - 22 Jun 1911 - Oklahoma |
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| Generation 2 - Martha R. Hamsley: Born - 22 Sep 1914 - Tennessee |
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| Generation 2 - Martha R. Hamsley: Died - 29 Dec 1999 - Lawrence County, Tennessee |
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| Generation 3 - Tillman Howard McMahan: Born - 6 Oct 1879 - Sevier County, Tennessee |
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| Generation 3 - Tillman Howard McMahan: Died - 12 Dec 1950 - Wayne County, Michigan |
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| Generation 3 - Letha Iva Ogle: Born - 18 Mar 1883 - Tennessee |
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| Generation 4 - Rev. George W. McMahan: Born - 28 Mar 1851 - Tennessee |
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| Generation 4 - Rev. George W. McMahan: Died - 16 Jun 1932 - Lawrence County, Tennessee |
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| Generation 4 - Rev. George W. McMahan: Buried - - Webbs Creek Cemetery, Sevier County, Tennessee |
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| Generation 4 - Harriet D. McMahan: Born - 26 May 1841 - Tennessee |
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| Generation 4 - Harriet D. McMahan: Buried - - Webbs Creek Cemetery, Sevier County, Tennessee |
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| Generation 4 - Levi Evans Ogle: Born - 12 Jun 1850 - Tennessee |
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| Generation 4 - Levi Evans Ogle: Buried - - Dudley Creek Cemetery, Sevier County, Tennessee |
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| Generation 4 - Nancy Ann King: Born - 1849 - , Sevier County, Tennessee |
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| Generation 4 - Nancy Ann King: Buried - - Lawrenceburg, Tennessee |
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