| Generation 1 - John McMahan: Born - Abt 1837 - Cocke County, Tennessee |
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| Generation 2 - Eli McMahan: Born - 1810 - North Carolina |
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| Generation 2 - Eli McMahan: Died - - Tennessee |
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| Generation 2 - Eli McMahan: Buried - - Tennessee |
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| Generation 2 - Emillia "Millie" Allen: Born - 13 Apr 1816 - Kentucky |
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| Generation 3 - Eli McMahan: Born - 1782 - North Carolina |
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| Generation 3 - Eli McMahan: Died - - Cocke County, Tennessee |
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| Generation 3 - John "The Bricklayer" Allen: Buried - - Allen Cemetery, Cocke County, Tennessee |
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| Generation 3 - Nancy Mattox: Born - 17 Sep 1777 - Virginia |
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| Generation 3 - Nancy Mattox: Died - 1 Dec 1859 - Virginia |
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| Generation 3 - Nancy Mattox: Buried - - Allen Cemetery, Cocke County, Tennessee |
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| Generation 4 - Archibald McMahan: Born - - Scotland |
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| Generation 4 - Archibald McMahan: Died - Jul 1826 - Bibb County, Alabama |
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