| Generation 2 - Joshoa Paul Mateer: Born - 28 Aug 1976 - Aberdeen, South Dakota |
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| Generation 3 - Charles Frederick "Fred" Mateer: Born - 1 Jul 1948 - Evanston, Cook County, Illinois |
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| Generation 3 - Charles Frederick "Fred" Mateer & Debrah Peterson: Married - 31 Jul 1971 - Aberdeen, South Dakota |
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| Generation 4 - Bruce De Loss Mateer: Born - 18 Nov 1908 - Joliet, Will County, Illinois |
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| Generation 4 - Bruce De Loss Mateer: Died - 29 Oct 2002 - Wichita, Kansas |
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| Generation 4 - Bruce De Loss Mateer: Buried - - Elmhurst Memorial Cemetery, Joliet, Will County, Illinois |
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| Generation 4 - Bruce De Loss Mateer & Ann Timson: Married - 16 Nov 1935 - Lake Bluff, Lake County, Illinois |
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| Generation 4 - Ann Timson: Born - 1 Aug 1914 - Highland Park, Lake County, Illinois |
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| Generation 4 - Ann Timson: Buried - 23 May 2013 - Elmhurst Memorial Cemetery, Joliet, Will County, Illinois |
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