| Generation 1 - Bertha H. Irwin: Born - 20 Oct 1890 - Tennessee |
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| Generation 1 - Bertha H. Irwin: Buried - - New Loyston Cemetery, Union County, Tennessee |
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| Generation 2 - Henry Rice Irwin: Born - 15 Aug 1866 - Tennessee |
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| Generation 2 - Henry Rice Irwin: Buried - 3 Feb 1937 - New Loyston Cemetery, Union County, Tennessee |
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| Generation 2 - Clementine Duke: Born - 20 Sep 1865 - Tennessee |
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| Generation 2 - Clementine Duke: Buried - 14 Mar 1937 - New Loyston Cemetery, Union County, Tennessee |
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| Generation 3 - Mathlan Irwin: Born - - Tennessee |
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| Generation 3 - Rice: Born - - Tennessee |
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| Generation 3 - William Duke: Born - 10 Jun 1816 - Tennessee |
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| Generation 3 - William Duke & Martha Harding: Married - 6 Apr 1861 - Anderson County, Tennessee |
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| Generation 3 - Martha Harding: Born - 15 Jun 1829 - Tennessee |
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| Generation 3 - Martha Harding: Died - 11 Aug 1914 - Union County, Tennessee |
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