| Generation 1 - John Calvin McMahan: Born - 19 May 1807 - Washington County, Tennessee |
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| Generation 1 - John Calvin McMahan: Buried - - Shiloh Cemetery, Pigeon Forge, Sevier County, Tennessee |
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| Generation 2 - James Wellington McMahan: Born - Abt 1750/1755 - Dublin, Ireland |
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| Generation 2 - James Wellington McMahan: Died - 16 Sep 1831 - Sevierville, Sevier County, Tennessee |
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| Generation 2 - James Wellington McMahan: Buried - - Sevier County, Tennessee |
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| Generation 2 - James Wellington McMahan & Rachel Calvert: Married - 1 Dec 1788 - , Botetourt, Virginia |
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| Generation 2 - Rachel Calvert: Born - Abt 1760 - England |
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