| Generation 1 - Sarah R. McMahan: Born - 1860 - , Tennessee |
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| Generation 2 - Samuel W. McMahan: Born - 8 Feb 1812 - Tennessee |
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| Generation 2 - Samuel W. McMahan: Buried - - Mcmahan Cemetery, Sevier County, Tennessee |
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| Generation 2 - Mary J. Henderson: Born - 31 Mar 1835 - Tennessee |
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| Generation 2 - Mary J. Henderson: Buried - - Mcmahan Cemetery, Sevier County, Tennessee |
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| Generation 3 - James Wellington McMahan: Born - Abt 1750/1755 - Dublin, Ireland |
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| Generation 3 - James Wellington McMahan: Died - 16 Sep 1831 - Sevierville, Sevier County, Tennessee |
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| Generation 3 - James Wellington McMahan: Buried - - Sevier County, Tennessee |
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| Generation 3 - James Wellington McMahan & Rachel Calvert: Married - 1 Dec 1788 - , Botetourt, Virginia |
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| Generation 3 - Rachel Calvert: Born - Abt 1760 - England |
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| Generation 3 - George McLin Henderson: Born - 20 Mar 1811 - Tennessee |
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| Generation 3 - George McLin Henderson: Buried - - Mcmahan Cemetery, Sevier County, Tennessee |
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| Generation 3 - Sarah "Sally" Yett: Born - 26 Jun 1814 - Tennessee |
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| Generation 3 - Sarah "Sally" Yett: Buried - - Mcmahan Cemetery, Sevier County, Tennessee |
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| Generation 4 - William H. Henderson: Born - 11 Feb 1786 - Tennessee |
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| Generation 4 - William H. Henderson: Buried - - Shiloh Cemetery, Pigeon Forge, Sevier County, Tennessee |
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| Generation 4 - Mary Catherine Cannon: Born - 9 Feb 1786 - Tennessee |
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| Generation 4 - Mary Catherine Cannon: Buried - - Shiloh Cemetery, Pigeon Forge, Sevier County, Tennessee |
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| Generation 4 - William Yett: Born - 7 May 1781 - Pennsylvania |
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| Generation 4 - Mary E.: Born - 25 Jan 1789 - Tennessee |
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