| 1. Robijn Kool |
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21 Mar 1885 |
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Hemelumer Oldeferd, Friesland, Netherlands |
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| 2. Rein Berends Kool |
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19 May 1855 |
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Hemelumer Oldeferd, Friesland, Netherlands |
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9 Dec 1880 |
| P: |
Hemelumer Oldeferd, Friesland, Netherlands |
| D: |
2 Feb 1917 |
| P: |
Sneek, Friesland, Netherlands |
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| 3. Minke Robijns Feenstra |
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| B: |
22 Feb 1852 |
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Gaasterland, Friesland, Netherlands |
| D: |
27 Feb 1909 |
| P: |
Hemelumer Oldeferd, Friesland, Netherlands |
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| 6. Robijn Wybes Feenstra |
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| B: |
5 Sep 1821 |
| P: |
Wijckel, Friesland, Netherlands |
| M: |
12 May 1847 |
| P: |
Gaasterland, Friesland, Netherlands |
| D: |
19 May 1909 |
| P: |
Molkwerum, Friesland, Netherlands |
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| 12. Wybe Wiebe Douwes Feenstra |
=> |
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| B: |
24 Oct 1792 |
| P: |
Oudega, Hemelumer Oldeferd, Friesland, Netherlands |
| M: |
19 Apr 1815 |
| P: |
Balk, Gaasterland, Friesland, Netherlands |
| D: |
24 Aug 1849 |
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Oudermirdum, Gaasterland, Friesland, Netherlands |
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| 13. Grietje Robijns de Jong |
=> |
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| B: |
23 Nov 1790 |
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Harich, Gaasterland, Friesland, Netherlands |
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26 Jun 1829 |
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Oudermirdum, Gaasterland, Friesland, Netherlands |
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| 7. Symentje Johannes WIERSTRA |
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| B: |
2 Jul 1826 |
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Nijemirdum, Friesland, Netherlands |
| D: |
13 Feb 1869 |
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Doniawerstal, Friesland, Netherlands |
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| 14. |
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| 15. |
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1885 - 