| Generation 1 - William Leroy "Bill" Cogdill: Born - 18 May 1928 - Tennessee |
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| Generation 1 - William Leroy "Bill" Cogdill: Buried - 29 May 2013 - Highland West Memorial Park Cemetery, Knoxville, Knox County, Tennessee |
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| Generation 2 - William A. Cogdill: Born - 16 Jul 1905 - Tennessee |
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| Generation 2 - William A. Cogdill: Died - 12 Dec 1955 - Knox County, Tennessee |
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| Generation 2 - William A. Cogdill: Buried - 14 Dec 1955 - Highland Memorial Park Cemetery, Knoxville, Knox County, Tennessee |
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| Generation 2 - Zylphia M.: Born - 21 Feb 1905 - Tennessee |
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| Generation 2 - Zylphia M.: Died - 7 Oct 1997 - Blount County, Tennessee |
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| Generation 3 - Merit R. Cogdill: Born - Jul 1883 - Tennessee |
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| Generation 3 - Loutitis Millinger: Born - Abt 1884 - Tennessee |
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| Generation 4 - William Avery Cogdill: Born - 1 Apr 1861 - Georgia |
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| Generation 4 - William Avery Cogdill: Buried - - Elkmont Cemetery, Sevier County, Tennessee |
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| Generation 4 - William Avery Cogdill & Louisa S. Lyles: Married - 13 May 1880 - Sevier County, Tennessee |
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| Generation 4 - Louisa S. Lyles: Born - 24 Sep 1860 - Tennessee |
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| Generation 4 - Louisa S. Lyles: Died - 19 Feb 1938 - Sevier County, Tennessee |
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| Generation 4 - Louisa S. Lyles: Buried - 20 Feb 1938 - Elkmont Cemetery, Sevier County, Tennessee |
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