| Generation 1 - John Devro Headrick: Born - 1 Jun 1878 - Blount County, Tennessee |
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| Generation 1 - John Devro Headrick: Died - 9 Jun 1949 - Blount County, Tennessee |
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| Generation 1 - John Devro Headrick: Buried - 11 Jun 1949 - Millers Cove Cemetery, Blount County, Tennessee |
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| Generation 2 - William W. Headrick: Born - 21 Mar 1845 - Blount County, Tennessee |
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| Generation 2 - William W. Headrick: Died - 24 Nov 1928 - Blount County, Tennessee |
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| Generation 2 - William W. Headrick: Buried - - Pleasant Grove Cemetery, Blount County, Tennessee |
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| Generation 2 - William W. Headrick & Sarah Ann Williams: Married - 29 Sep 1872 - Blount County, Tennessee |
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| Generation 2 - Sarah Ann Williams: Born - 25 Sep 1852 - Blount County, Tennessee |
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| Generation 2 - Sarah Ann Williams: Buried - - Pleasant Grove Cemetery, Blount County, Tennessee |
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| Generation 3 - John Dunn Headrick: Born - 25 Oct 1820 - Townsend, Blount County, Tennessee |
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| Generation 3 - John Dunn Headrick: Buried - - Bethlehem Cemetery, Blount County, Tennessee |
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| Generation 3 - Katharine Henry: Born - Abt 1826 - Walland, Blount County, Tennessee |
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| Generation 3 - James Madison Williams: Born - 1 Oct 1822 - Tennessee |
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| Generation 3 - James Madison Williams: Buried - - Pleasant Grove Cemetery, Blount County, Tennessee |
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| Generation 3 - James Madison Williams & Rachel Gamble: Married - 2 Jan 1845 - Blount County, Tennessee |
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| Generation 3 - Rachel Gamble: Born - 27 Sep 1823 - Tennessee |
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| Generation 3 - Rachel Gamble: Buried - - Pleasant Grove Cemetery, Blount County, Tennessee |
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| Generation 4 - William Headrick: Buried - - Blount County, Tennessee |
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| Generation 4 - William Headrick & Anne Dunn: Married - 22 May 1816 - Greene County, Tennessee |
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| Generation 4 - William Buster Williams: Buried - - Logans Chapel Cemetery, Blount County, Tennessee |
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| Generation 4 - Elizabeth Hubbell: Buried - - Logans Chapel Cemetery, Blount County, Tennessee |
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