| Generation 2 - William Alexander Underwood: Buried - - Oak Grove Cemetery, Sevier County, Tennessee |
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| Generation 2 - Anna Thornburg: Born - 18 Oct 1861 - Tennessee |
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| Generation 2 - Anna Thornburg: Buried - - Oak Grove Cemetery, Sevier County, Tennessee |
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| Generation 3 - William Ramey Underwood: Born - 16 Sep 1816 - Tennessee |
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| Generation 3 - William Ramey Underwood: Buried - - Oak Grove Cemetery, Sevier County, Tennessee |
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| Generation 3 - Martha Langston: Born - Abt 1820 - Tennessee |
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| Generation 3 - Thomas Lowery Thornburg: Born - 1832 - Tennessee |
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| Generation 3 - Thomas Lowery Thornburg & Mary Jane Johnson: Married - 8 Nov 1860 - Sevier County, Tennessee |
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| Generation 3 - Mary Jane Johnson: Born - 25 Jul 1842 - Sevier County, Tennessee |
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| Generation 3 - Mary Jane Johnson: Died - 21 Jun 1910 - Sevier County, Tennessee |
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| Generation 4 - Ephraim Johnson: Born - 1815 - Virginia |
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| Generation 4 - Rachel Henry: Born - 7 Mar 1823 - Tennessee |
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