| 1. Gerrit Jonkman |
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| B: |
Approximately 1834 |
| P: |
Enumatil, Leek, Groningen, Nederland |
| D: |
Date unknown |
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| 2. Hindrik Geerts Jonkman |
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| B: |
Approximately 1793 |
| P: |
Midwolde, Leek, Groningen, Nederland |
| M: |
Sunday 19 May 1811 |
| P: |
Zuidhorn, Groningen, Nederland |
| D: |
Saturday 03 December 1859 |
| P: |
Enumatil, Leek, Groningen, Nederland |
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| 11. |
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| 3. Geertje Pieters Datema |
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| B: |
Approximately 1790 |
| P: |
Lettelbert, Leek, Groningen, Nederland |
| D: |
Monday 04 October 1858 |
| P: |
Enumatil, Leek, Groningen, Nederland |
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| 6. Pieter Arends Datema |
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| B: |
Friday 22 April 1768 |
| P: |
Oostwold, Midwolda, Groningen, Nederland |
| M: |
Sunday 15 June 1788 |
| P: |
Oostwold, Midwolda, Groningen, Nederland |
| D: |
Thursday 19 July 1832 |
| P: |
Zuidhorn, Groningen, Nederland |
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| 12. Arend Wijbes |
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| B: |
Date unknown |
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| D: |
Date unknown |
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| 7. Harmke Meinderts Bakker |
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| B: |
1767 |
| P: |
Niekerk, Oldekerk, Groningen, Nederland |
| D: |
Thursday 19 July 1832 |
| P: |
Zuidhorn, Groningen, Nederland |
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| 14. Meindert Willems |
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| B: |
1737 |
| P: |
Wetsinge, Adorp, Groningen, Nederland |
| M: |
Sunday 02 May 1762 |
| P: |
Niekerk, Oldekerk, Groningen, Nederland |
| D: |
Date unknown |
| P: |
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Approximately 1834 - Date unknown
