Achterhoek Ancestors
Family: Gerrit Jan Stemerdink / Jenneken Koffers (F9942)
m. 15 Apr 1818Berend Willem Koffers (1760-1830) 
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Harmina Lutjekossink (1766- )
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Janna Geertruid Koffers (1785- )  |
| Theunes Koffers (1787- ) |
| Teunes Koffers (1790- ) |
| Jan Willem Koffers (1792- ) |
| Jan Willem Koffers (1795- ) |
| Christina Koffers (1798- ) |
| Gerrit Jan Stemerdink (1787- )
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| Jenneken Koffers (1797- )
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| Albert Stemerdink (1818- ) |
| Harmen Jan Stemerdink (1821- ) |