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Antje Dirksdr. Koelewijn
- ☼ 05-10-1802 (De Kaag [Zh])
- ✞ 26-07-1849 (Alkemade [Zh])
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Pieter Jacobsz. van Nieuwkoop
- ☼ 01-05-1796 (Woubrugge [Zh])
- ✞ 28-07-1849 (Alkemade [Zh])
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Jacob van Nieuwkoop
- ☼ 06-10-1827 (Alkemade [Zh])
- ✞ 20-10-1906 (Alkemade [Zh])
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Aaltje Spaargaren
- ☼ 11-03-1831 (Aalsmeer [Nh])
- ✞ 20-04-1917 (Alkemade [Zh])
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Cornelis van Nieuwkoop
- ☼ 16-01-1853 (Alkemade [Zh])
- ✞ 10-09-1857 (Alkemade [Zh])
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Antje van Nieuwkoop
- ☼ 09-07-1855 (Alkemade [Zh])
- ✞ 28-08-1914 (Alkemade [Zh])
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Johannes van Nieuwkoop
- ☼ 04-09-1857 (Alkemade [Zh])
- ✞ 20-02-1894 (Sassenheim [Zh])
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Cornelis van Nieuwkoop
- ☼ 27-11-1859 (Alkemade [Zh])
- ✞ 15-12-1903 (Alkemade [Zh])
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Jan van Nieuwkoop
- ☼ 17-07-1862 (Alkemade [Zh])
- ✞ 08-01-1931 (Alkemade [Zh])
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Jacobus van Nieuwkoop
- ☼ 29-01-1865 (Alkemade [Zh])
- ✞ 12-05-1950 (Alkemade [Zh])
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Clazina van Nieuwkoop
- ☼ 23-10-1867 (Alkemade [Zh])
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Dirk van Nieuwkoop
- ☼ 10-11-1829 (Alkemade [Zh])
- ✞ 26-02-1911 (Alkemade [Zh])
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Gijsbert van Nieuwkoop
- ☼ 07-04-1832 (Alkemade [Zh])
- ✞ 17-07-1880 (Dordrecht [Zh])
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Aldert van Nieuwkoop
- ☼ 09-05-1837 (Alkemade [Zh])
- ✞ 27-07-1898 (Alkemade [Zh])
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Johannes van Nieuwkoop
- ☼ 20-02-1840 (Alkemade [Zh])
- ✞ 01-08-1849 (Alkemade [Zh])
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