| Generation 1 - Jacobus Dijkstra: Born - Saturday 20 April 1861 - Harlingen, Friesland, Nederland |
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| Generation 2 - Dirk Jans Dijkstra: Born - Thursday 06 August 1818 - Harlingen, Friesland, Nederland |
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| Generation 2 - Dirk Jans Dijkstra: Died - Tuesday 23 February 1886 - Harlingen, Friesland, Nederland |
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| Generation 2 - Dirk Jans Dijkstra & Elske Spoelstra: Married - Thursday 09 May 1850 - Harlingen, Friesland, Nederland |
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| Generation 2 - Elske Spoelstra: Born - Wednesday 19 November 1823 - Harlingen, Friesland, Nederland |
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| Generation 3 - Jan Dijkstra: Died - Wednesday 12 May 1830 - Harlingen, Friesland, Nederland |
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| Generation 3 - Yda Visser: Died - Friday 04 October 1867 - Harlingen, Friesland, Nederland |
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| Generation 3 - Jelle Gerrits Spoelstra: Died - Tuesday 23 February 1858 - Harlingen, Friesland, Nederland |
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| Generation 3 - Jelle Gerrits Spoelstra & Catharina Burkels: Married - Sunday 14 May 1820 - Harlingen, Friesland, Nederland |
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| Generation 3 - Catharina Burkels: Died - Friday 03 October 1845 - Harlingen, Friesland, Nederland |
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