| Generation 1 - John Columbus Snapp: Born - 1 Jun 1857 - Tennessee |
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| Generation 1 - John Columbus Snapp: Buried - - Middle Creek Methodist Church Cemetery, Sevier County, Tennessee |
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| Generation 1 - John Columbus Snapp & Laura J. Henderson: Married - 30 Apr 1885 - Sevier County, Tennessee |
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| Generation 2 - John Columbus Snapp: Born - 23 Feb 1821 - Tennessee |
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| Generation 2 - John Columbus Snapp: Buried - - Murphy Chapel Cemetery, Sevier County, Tennessee |
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| Generation 2 - Rebecca Ann McMahan: Born - 29 Apr 1832 - Tennessee |
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| Generation 2 - Rebecca Ann McMahan: Died - 12 Nov 1916 - Sevier County, Tennessee |
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| Generation 2 - Rebecca Ann McMahan: Buried - 14 Nov 1916 - Murphy Chapel Cemetery, Sevier County, Tennessee |
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| Generation 3 - Joseph Snapp: Born - 2 Apr 1796 - Tennessee |
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| Generation 3 - Joseph Snapp: Buried - - Murphy Chapel Cemetery, Sevier County, Tennessee |
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| Generation 3 - Catharine: Born - 25 Apr 1795 - Tennessee |
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| Generation 3 - Catharine: Buried - - Murphy Chapel Cemetery, Sevier County, Tennessee |
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| Generation 3 - Robert McMahan: Born - 1794 - Tennessee |
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| Generation 3 - Robert McMahan: Buried - - Blount County, Tennessee |
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| Generation 3 - Hulda Hatcher: Born - 1794 - Tennessee |
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| Generation 4 - James Wellington McMahan: Born - Abt 1750/1755 - Dublin, Ireland |
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| Generation 4 - James Wellington McMahan: Died - 16 Sep 1831 - Sevierville, Sevier County, Tennessee |
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| Generation 4 - James Wellington McMahan: Buried - - Sevier County, Tennessee |
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| Generation 4 - James Wellington McMahan & Rachel Calvert: Married - 1 Dec 1788 - , Botetourt, Virginia |
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| Generation 4 - Rachel Calvert: Born - Abt 1760 - England |
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