| 1. Israel Cohen |
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| G: |
15 jul 1915 |
| te: |
Utrecht, , Utrecht, Netherlands |
| O: |
19 sep 1983 |
| te: |
Rotterdam, , Zuid-Holland, Netherlands |
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| 2. Jacob Israel Cohen |
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| G: |
10 jul 1884 |
| te: |
Middelburg, , Zeeland, Netherlands |
| H: |
16 sep 1908 |
| te: |
Rotterdam, , Zuid-Holland, Netherlands |
| O: |
26 feb 1943 |
| te: |
Auschwitz, , Bielsko, Poland |
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| 3. Sara Clara Drilsma |
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| G: |
7 okt 1884 |
| te: |
Den Haag, , Zuid-Holland, Netherlands |
| O: |
26 feb 1943 |
| te: |
Auschwitz, , Bielsko, Poland |
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| 6. Joseph Drilsma |
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| G: |
8 jan 1840 |
| te: |
Leeuwarden, , Friesland, Netherlands |
| H: |
9 dec 1874 |
| te: |
Den Haag, , Zuid-Holland, Netherlands |
| O: |
16 aug 1912 |
| te: |
Den Haag, , Zuid-Holland, Netherlands |
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| 12. Adam Aron Drilsma |
=> |
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| G: |
1 jun 1808 |
| te: |
Leeuwarden, , Friesland, Netherlands |
| H: |
13 jun 1837 |
| te: |
Sneek, , Friesland, Netherlands |
| O: |
29 sep 1872 |
| te: |
Leeuwarden, , Friesland, Netherlands |
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| 13. Rebecca Joseph Frijda |
=> |
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| G: |
21 nov 1809 |
| te: |
Amsterdam, , Noord-Holland, Netherlands |
| O: |
17 nov 1878 |
| te: |
Den Haag, , Zuid-Holland, Netherlands |
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| 7. Aaltjen Oppenheimer |
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| G: |
27 mrt 1845 |
| te: |
Goor, , Overijssel, Netherlands |
| O: |
24 okt 1912 |
| te: |
Den Haag, , Zuid-Holland, Netherlands |
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1915 - 1983 (68 jaar)