| Generation 1 - Hermann August Sy: Born - 30 Nov 1885 - Bergholz, Niagara County, New York, USA |
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| Generation 1 - Hermann August Sy: Died - 13 Dec 1961 - Saginaw, Michigan, USA |
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| Generation 2 - August Sy: Born - 9 Jan 1849 - Grimme, Germany |
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| Generation 2 - August Sy: Died - 21 Nov 1932 - Unionville, Michigan, USA |
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| Generation 2 - August Sy & Auguste Wilhelmine Bonning: Married - 9 May 1875 - Bergholz, Kreis Prenzlau, Brandenburg, Germany |
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| Generation 2 - Auguste Wilhelmine Bonning: Born - 15 Aug 1848 - Bergholz, Kreis Prenzlau, Brandenburg, Germany |
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| Generation 2 - Auguste Wilhelmine Bonning: Died - 9 Sep 1930 - Unionville, Michigan, USA |
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| Generation 3 - Pierre Sy: Born - 27 Mar 1814 - Battin, Brandenburg, Germany |
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| Generation 3 - Pierre Sy: Died - 8 Jun 1864 - Grimme, Germany |
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| Generation 3 - Pierre Sy & Marie Charlotte Procasse: Married - 24 Apr 1839 - Grimme, Germany |
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| Generation 4 - Jacob Sy: Born - 26 Mar 1780 - Wallmow, Uckermark, Brandenburg, Germany |
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| Generation 4 - Jacob Sy & Marie Heuer: Married - 7 Nov 1811 - Brüssow, Prenzlau, Brandenburg, Germany |
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| Generation 4 - Marie Heuer: Born - 14 Feb 1786 - Brüssow, Prenzlau, Brandenburg, Germany |
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| Generation 4 - Marie Heuer: Died - 20 Dec 1851 - Grimme, Germany |
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