| Generation 1 - Frederik Zwart: Born - Wednesday 18 May 1910 - Uithuizen, Groningen, Nederland |
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| Generation 1 - Frederik Zwart: Died - Saturday 25 November 1911 - Uithuizen, Groningen, Nederland |
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| Generation 2 - Pieter Zwart: Born - Thursday 08 March 1883 - Uithuizen, Groningen, Nederland |
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| Generation 2 - Pieter Zwart: Died - Tuesday 04 July 1961 - Uithuizen, Groningen, Nederland |
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| Generation 2 - Pieter Zwart & Lina Swijghuizen: Married - Saturday 04 March 1905 - Uithuizen, Groningen, Nederland |
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| Generation 2 - Lina Swijghuizen: Born - Sunday 16 July 1882 - Uithuizen, Groningen, Nederland |
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| Generation 2 - Lina Swijghuizen: Died - Tuesday 12 November 1918 - Uithuizen, Groningen, Nederland |
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| Generation 3 - Klaas Zwart: Born - Friday 15 October 1852 - Uithuizen, Groningen, Nederland |
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| Generation 3 - Klaas Zwart: Died - Wednesday 02 April 1902 - Uithuizen, Groningen, Nederland |
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| Generation 3 - Klaas Zwart & Martje Visser: Married - Saturday 10 April 1875 - Uithuizen, Groningen, Nederland |
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| Generation 3 - Martje Visser: Born - Monday 11 October 1852 - Uithuizen, Groningen, Nederland |
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| Generation 3 - Martje Visser: Died - Saturday 04 February 1939 - Uithuizen, Groningen, Nederland |
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