| Generation 1 - T. H. Duggan: Born - Abt 1869 - Tennessee |
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| Generation 2 - James Mitchell Duggan: Born - 26 Jan 1821 - Sevier County, Tennessee |
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| Generation 2 - James Mitchell Duggan: Buried - - Henry's Crossroads Cemetery, Sevier County, Tennessee |
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| Generation 2 - James Mitchell Duggan & Nancy Keeler: Married - 31 Jul 1843 - Sevier County, Tennessee |
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| Generation 2 - Nancy Keeler: Born - 3 Jul 1823 - Sevier County, Tennessee |
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| Generation 2 - Nancy Keeler: Buried - - Henry's Crossroads Cemetery, Sevier County, Tennessee |
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| Generation 3 - Daniel C. Duggan, Jr.: Born - 14 Feb 1793 - Sevier County, Tennessee |
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| Generation 3 - Daniel C. Duggan, Jr.: Buried - - Mt. Pleasant Cemetery, Sevier County, Tennessee |
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| Generation 3 - Mary "Polly" McMahan: Born - 14 Feb 1801 - Buncombe County, North Carolina |
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| Generation 3 - Mary "Polly" McMahan: Buried - - Mt. Pleasant Cemetery, Sevier County, Tennessee |
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| Generation 3 - Joseph Keeler: Born - 2 Mar 1784 - Tennessee |
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| Generation 3 - Joseph Keeler: Buried - - Mt. Pleasant Cemetery, Sevier County, Tennessee |
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| Generation 4 - Archibald McMahan: Born - Abt 1773 - North Carolina |
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| Generation 4 - Archibald McMahan: Buried - - Pearl Valley Cemetery, Sevier County, Tennessee |
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| Generation 4 - Elizabeth Byrd: Buried - - Pearl Valley Cemetery, Sevier County, Tennessee |
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| Generation 4 - Adam Fox: Buried - - Fox Cemetery, Sevier County, Tennessee |
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| Generation 4 - Elizabeth Derrick: Buried - - Fox Cemetery, Sevier County, Tennessee |
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