| Generation 1 - Thomas Powers: Born - Abt 1939 - Illinois |
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| Generation 2 - Oliver P. Powers: Born - Abt 1910 - Illinois |
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| Generation 2 - Evylin G. Mateer: Born - Abt 1911 - Illinois |
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| Generation 3 - Frank Wells Mateer: Born - 4 Feb 1872 - Joliet, Will County, Illinois |
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| Generation 3 - Frank Wells Mateer: Died - 9 May 1933 - Chicago, Cook County, Illinois |
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| Generation 3 - Frank Wells Mateer: Buried - 12 May 1933 - Acacia Park Cemetery, Chicago, Cook County, Illinois |
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| Generation 3 - Frank Wells Mateer & Esther Evelyn Geradin: Married - 30 Mar 1898 - Chicago, Cook County, Illinois |
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| Generation 3 - Esther Evelyn Geradin: Born - Oct 1875 - Illinois |
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| Generation 3 - Esther Evelyn Geradin: Buried - - Acacia Park Cemetery, Chicago, Cook County, Illinois |
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| Generation 4 - Samuel Alexander Mateer: Born - 9 Jan 1843 - Landisburg, Perry County, Pennsylvania |
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| Generation 4 - Samuel Alexander Mateer: Died - 16 Nov 1929 - Joliet, Will County, Illinois |
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| Generation 4 - Samuel Alexander Mateer: Buried - 19 Nov 1929 - Elmhurst Memorial Cemetery, Joliet, Will County, Illinois |
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| Generation 4 - Samuel Alexander Mateer & Mary Charlotte Butler: Married - 5 Nov 1868 - Will County, Illinois |
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| Generation 4 - Mary Charlotte Butler: Born - 28 Jun 1850 - Lockport, Niagara County, New York |
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| Generation 4 - Mary Charlotte Butler: Died - 10 Jul 1947 - Joliet, Will County, Illinois |
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| Generation 4 - Mary Charlotte Butler: Buried - 12 Jul 1947 - Elmhurst Memorial Cemetery, Joliet, Will County, Illinois |
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