| 1. Wilko Ritsema |
 |
| G: |
ca. 1874 |
| te: |
Tjamsweer, Appingedam, NL |
| O: |
29 mrt 1943 |
| te: |
Tjamsweer, Appingedam, NL |
|
| 2. Olchert Arends Ritsema |
|
| G: |
17 jan 1829 |
| te: |
Tjamsweer, NL |
| H: |
18 mei 1869 |
| te: |
Appingedam, NL |
| O: |
25 jan 1913 |
| te: |
Appingedam, NL |
|
| 4. Arend Willems Ritzema |
|
| G: |
11 apr 1791 |
| te: |
Tjamsweer, NL |
| H: |
23 jun 1817 |
| te: |
Appingedam, NL |
| O: |
30 apr 1858 |
| te: |
Appingedam, NL |
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| 10. Olchert Siewkes Tuinier |
=> |
|
| G: |
vóór 13 jan 1765 |
| te: |
Opwierde, NL |
| H: |
6 sep 1788 |
| te: |
Opwierde, NL |
| O: |
13 feb 1829 |
| te: |
Opwierde, Appingedam, NL |
|
|
|
| 3. Bouke Bouman |
|
| G: |
ca. 1838 |
| te: |
Uitwierde, NL |
| O: |
Ja, datum echter onbekend |
| te: |
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| 12. |
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| 13. |
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| 7. |
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| 14. |
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| 15. |
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ca. 1874 - 1943 (~ 69 jaar)
