| Generation 1 - Zwaantje van den Berg: Born - Tuesday 30 April 1889 - Garsthuizen, Stedum, Groningen, Nederland |
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| Generation 2 - Derk van den Berg: Born - Sunday 02 November 1851 - Garsthuizen, Stedum, Groningen, Nederland |
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| Generation 2 - Derk van den Berg & Pieterke Tuitman: Married - Saturday 02 February 1878 - Uithuizen, Groningen, Nederland |
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| Generation 2 - Pieterke Tuitman: Born - Tuesday 03 April 1855 - Uithuizen, Groningen, Nederland |
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| Generation 3 - Reinder Fredriks Tuitman: Born - Saturday 13 April 1822 - Usquert, Groningen, Nederland |
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| Generation 3 - Reinder Fredriks Tuitman: Died - Thursday 25 April 1889 - Uithuizen, Groningen, Nederland |
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| Generation 3 - Reinder Fredriks Tuitman & Elisabeth Poppes Wierenga: Married - Saturday 06 May 1848 - Uithuizen, Groningen, Nederland |
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| Generation 3 - Elisabeth Poppes Wierenga: Born - Tuesday 12 October 1830 - Uithuizen, Groningen, Nederland |
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| Generation 3 - Elisabeth Poppes Wierenga: Died - Wednesday 30 April 1902 - Uithuizen, Groningen, Nederland |
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| Generation 4 - Fredriks Frederiks: Born - 1785 - Listrup, Emsbüren, Grafschaft Bentheim, Niedersachsen, Deutschland |
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| Generation 4 - Fredriks Frederiks: Baptised - Monday 25 July 1785 - Listrup, Emsbüren, Grafschaft Bentheim, Niedersachsen, Deutschland |
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| Generation 4 - Fredriks Frederiks & Pieterke Kornelis: Married - Sunday 15 March 1812 - Usquert, Groningen, Nederland |
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| Generation 4 - Pieterke Kornelis: Born - 1783 - Warffum, Groningen, Nederland |
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| Generation 4 - Pieterke Kornelis: Baptised - Sunday 06 July 1783 - Warffum, Groningen, Nederland |
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| Generation 4 - Poppe Berends Wieringa: Born - 1798 - Appingedam, Groningen, Nederland |
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| Generation 4 - Poppe Berends Wieringa: Baptised - Wednesday 12 December 1798 - Appingedam, Groningen, Nederland |
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| Generation 4 - Poppe Berends Wieringa: Died - Tuesday 09 January 1872 - Uithuizen, Groningen, Nederland |
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| Generation 4 - Poppe Berends Wieringa & Zwaantje Hendriks Dubbelboer: Married - Saturday 24 May 1823 - Uithuizen, Groningen, Nederland |
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| Generation 4 - Zwaantje Hendriks Dubbelboer: Born - 1800 - Uithuizen, Groningen, Nederland |
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| Generation 4 - Zwaantje Hendriks Dubbelboer: Baptised - Sunday 12 January 1800 - Uithuizen, Groningen, Nederland |
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| Generation 4 - Zwaantje Hendriks Dubbelboer: Died - Thursday 24 March 1864 - Uithuizen, Groningen, Nederland |
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