Achterhoek Ancestors
Family: Gerrit Jan Grevers / Janna Koijers (F1836)
m. 10 Apr 1785Berent Grevers (1696- ) 
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Steven Jan Grevers (1751- )  |
| Jan Willem Grevers (1752- ) |
| Garret Koijers (1717-1782)
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Hinders Roerdinkveltboom (1727-1801)
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| Hinders Koijers (1752- ) |
| Aeltjen Koijers (1757- ) |
| Salomon Koijers (1759-1816) |
| Janna Geertruit Koijers (1765- ) |
| Gerrit Jan Grevers (1757-1824)
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| Janna Koijers (1753-1822)
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| Theunes Grevers (1786-1851) |
| Garret Jan Grevers (1787- ) |
| Berendina Grevers (1796-1887) |