| 1. Gerben Bierma |
 |
| G: |
14 jun 1837 |
| te: |
Menaldumadeel |
| O: |
Ja, datum echter onbekend |
| te: |
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| 2. Dirk Bierema |
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| G: |
5 mrt 1792 |
| te: |
Oosterbierum |
| H: |
27 mei 1814 |
| te: |
Wonseradeel |
| O: |
11 apr 1853 |
| te: |
Peins |
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| 8. |
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| 9. |
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| 5. Antje |
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| G: |
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| te: |
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| O: |
Ja, datum echter onbekend |
| te: |
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| 10. |
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| 11. |
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| 3. Trijntje Yska |
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| G: |
13 jan 1793 |
| te: |
Wons |
| O: |
20 aug 1867 |
| te: |
Menaldum |
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| 6. Douwe Yska |
|
| G: |
5 dec 1761 |
| te: |
Parrega |
| H: |
12 dec 1790 |
| te: |
Wons |
| O: |
26 nov 1840 |
| te: |
Menaldum |
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|
| 13. Tettje |
=> |
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| D: |
6 dec 1733 |
| te: |
Parrega |
| O: |
15 jan 1823 |
| te: |
Wons |
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| 14. |
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| 15. |
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1837 - Ja, datum echter onbekend