| Generation 1 - Charles Leroy Duggan: Born - 31 May 1927 - Tennessee |
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| Generation 1 - Charles Leroy Duggan: Buried - - Greenwood Cemetery, Knoxville, Knox County, Tennessee |
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| Generation 2 - George Alexander Duggan: Born - 24 Sep 1883 - Tennessee |
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| Generation 2 - George Alexander Duggan: Buried - 11 May 1952 - Lynnhurst Cemetery, Knoxville, Knox County, Tennessee |
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| Generation 2 - George Alexander Duggan & Cora Hazel Anderson: Married - 1 Aug 1906 - Knox County, Tennessee |
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| Generation 2 - Cora Hazel Anderson: Born - 30 Jan 1887 - Tennessee |
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| Generation 2 - Cora Hazel Anderson: Buried - - Lynnhurst Cemetery, Knoxville, Knox County, Tennessee |
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| Generation 3 - Wilson L. Duggan: Born - 1 Jan 1851 - Tennessee |
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| Generation 3 - Wilson L. Duggan: Buried - - Middle Creek Methodist Church Cemetery, Sevier County, Tennessee |
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| Generation 3 - Sarah Elizabeth Ogle: Born - 14 Apr 1858 - Tennessee |
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| Generation 3 - Sarah Elizabeth Ogle: Died - 7 Aug 1936 - Knoxville, Knox County, Tennessee |
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| Generation 3 - Sarah Elizabeth Ogle: Buried - 8 Aug 1936 - Middle Creek Methodist Church Cemetery, Sevier County, Tennessee |
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| Generation 4 - James Duggan: Born - 16 Aug 1812 - Sevier County, Tennessee |
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| Generation 4 - Mary L. "Polly" Evans: Born - 26 Aug 1823 - Sevier County, Tennessee |
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| Generation 4 - Isaac Ogle, Jr.: Born - 1821 - Sevier County, Tennessee |
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| Generation 4 - Isaac Ogle, Jr.: Buried - - Middle Creek Methodist Church Cemetery, Sevier County, Tennessee |
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| Generation 4 - Isaac Ogle, Jr. & Nancy Butler: Married - Abt 1840/1841 - , Sevier County, Tennessee |
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| Generation 4 - Nancy Butler: Born - 17 Dec 1822 - Sevier County, Tennessee |
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| Generation 4 - Nancy Butler: Buried - - Middle Creek Methodist Church Cemetery, Sevier County, Tennessee |
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