| Generation 1 - Carl Berg: Born - 1893 - Iowa, USA |
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| Generation 1 - Carl Berg: Died - 1929 - USA |
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| Generation 2 - Herman John Fredrick William Berg: Born - 1870 - Germany/Deutschland |
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| Generation 2 - Herman John Fredrick William Berg: Died - 1945 - Iowa |
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| Generation 3 - William Herman Fredrick John Berg: Born - 1834 - Stettin (Szczecin), Germany (Poland) |
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| Generation 3 - William Herman Fredrick John Berg & Wilhelmina Sophia Mandelbau: Married - - Stettin (Szczecin), Germany (Poland) |
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