| 1. Jacob Jitse Ritsma |
 |
| G: |
13 nov 1911 |
| te: |
Hoogkerk, Groningen, NLD |
| O: |
Ja, datum echter onbekend |
| te: |
|
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| 2. Anne Ritsma |
|
| G: |
7 mei 1881 |
| te: |
Marum, Groningen, NLD |
| H: |
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| te: |
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| O: |
Ja, datum echter onbekend |
| te: |
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| 4. Marten Helperus Ritsma |
|
| G: |
11 mei 1817 |
| te: |
Suameer, Friesland, NLD |
| H: |
30 nov 1872 |
| te: |
Marum, Groningen, NLD |
| O: |
30 jan 1889 |
| te: |
Marum, Groningen, NLD |
|
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|
| 5. Hendrikje Bosklopper |
|
| G: |
26 nov 1849 |
| te: |
Doezum, Groningen, NLD |
| O: |
11 nov 1907 |
| te: |
Westdongeradeel, Friesland, NLD |
|
| 10. Hendrik Pietersz Bosklopper |
|
| G: |
28 mei 1809 |
| te: |
Marum, Groningen, NLD |
| H: |
2 dec 1830 |
| te: |
Grootegast, Groningen, NLD |
| O: |
11 sep 1880 |
| te: |
Oldekerk, Groningen, NLD |
|
|
|
| 3. Antje Holman |
|
| G: |
25 okt 1881 |
| te: |
Oostwold, Groningen, NLD |
| O: |
Ja, datum echter onbekend |
| te: |
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| 6. |
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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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1911 - Ja, datum echter onbekend
