| Generation 1 - Jan Wortelboer: Born - Friday 24 November 1854 - Amsterdam, Noord-Holland, Nederland |
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| Generation 2 - Harmannus Wortelboer: Born - Friday 03 May 1816 - Oude Pekela, Groningen, Nederland |
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| Generation 2 - Harmannus Wortelboer: Died - 1889 - Bremerhaven, Bremen, Deutschland |
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| Generation 2 - Harmannus Wortelboer & Harmanna Helena Heeres: Married - Thursday 31 January 1850 - Amsterdam, Noord-Holland, Nederland |
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| Generation 2 - Harmanna Helena Heeres: Born - Monday 24 November 1823 - Veendam, Groningen, Nederland |
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| Generation 2 - Harmanna Helena Heeres: Died - Monday 29 August 1910 - Bremerhaven, Bremen, Deutschland |
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| Generation 3 - Wilke Jans Wortelboer: Born - 1764 - Oude Pekela, Groningen, Nederland |
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| Generation 3 - Wilke Jans Wortelboer: Baptised - Thursday 01 March 1764 - Oude Pekela, Groningen, Nederland |
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| Generation 3 - Wilke Jans Wortelboer: Died - Thursday 05 February 1835 - Oude Pekela, Groningen, Nederland |
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| Generation 3 - Wilke Jans Wortelboer & Catharina Nicolaas Heres: Married - Wednesday 15 May 1793 - Oude Pekela, Groningen, Nederland |
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| Generation 3 - Catharina Nicolaas Heres: Born - 1773 - Sappemeer, Groningen, Nederland |
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| Generation 3 - Catharina Nicolaas Heres: Baptised - Thursday 30 September 1773 - Kleinemeer, Sappemeer, Groningen, Nederland |
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| Generation 3 - Catharina Nicolaas Heres: Died - Sunday 27 July 1856 - Nieuwe Pekela, Groningen, Nederland |
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| Generation 3 - Niklaas Harmannus Heeres: Born - 1794 - Veendam, Groningen, Nederland |
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| Generation 3 - Niklaas Harmannus Heeres: Baptised - Friday 28 February 1794 - Veendam, Groningen, Nederland |
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| Generation 4 - Jan Hindriks Wilkens: Born - 1711 - Heede, Niedersachsen, Deutschland |
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| Generation 4 - Jan Hindriks Wilkens: Died - Friday 11 December 1795 - Oude Pekela, Groningen, Nederland |
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| Generation 4 - Jan Hindriks Wilkens & Geessien Geerts Wortelboer: Married - Friday 13 October 1741 - Oude Pekela, Groningen, Nederland |
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| Generation 4 - Geessien Geerts Wortelboer: Born - 1720 - Oude Pekela, Groningen, Nederland |
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| Generation 4 - Geessien Geerts Wortelboer: Baptised - Sunday 15 December 1720 - Oude Pekela, Groningen, Nederland |
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| Generation 4 - Geessien Geerts Wortelboer: Died - Monday 21 March 1803 - Oude Pekela, Groningen, Nederland |
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| Generation 4 - Nicolaas Harmannus Heeres: Born - 1725 - Groningen, Groningen, Nederland |
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| Generation 4 - Nicolaas Harmannus Heeres: Baptised - Saturday 07 July 1725 - Groningen, Groningen, Nederland |
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| Generation 4 - Nicolaas Harmannus Heeres: Died - Friday 21 May 1784 - Kiel, Hoogezand, Groningen, Nederland |
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| Generation 4 - Harmannus Niklaas Heeres: Born - 1755 - Tripscompagnie, Sappemeer, Groningen, Nederland |
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| Generation 4 - Harmannus Niklaas Heeres: Baptised - Friday 19 December 1755 - Kleinemeer, Sappemeer, Groningen, Nederland |
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| Generation 4 - Harmannus Niklaas Heeres: Died - Friday 30 September 1814 - Veendam, Groningen, Nederland |
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| Generation 4 - Harmannus Niklaas Heeres & Trijntje Harms: Married - Sunday 17 February 1793 - Veendam, Groningen, Nederland |
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| Generation 4 - Trijntje Harms: Born - 1756 - Veendam, Groningen, Nederland |
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| Generation 4 - Trijntje Harms: Baptised - Wednesday 19 May 1756 - Veendam, Groningen, Nederland |
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| Generation 4 - Trijntje Harms: Died - Saturday 19 July 1828 - Veendam, Groningen, Nederland |
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