Achterhoek Ancestors
Family: Christiaan Koskamp / Jenny (F14244)
m. Abt 1889Derk Jan Koskamp (1833-1909) 
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Hendrika Winkelhorst (1836-1914)
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Tonia Christina Koskamp (1858- )  |
| Arent Jan Koskamp (1861-1946) |
| Gerrit Jan Koskamp (1864- ) |
| Edward Koskamp (1871- ) |
| John Koskamp (1873-1955) |
| Henry Koskamp (1875-1905) |
| Christiaan Koskamp (1867- )
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| Jenny (1870- ) |
| Susan Koskamp (1890- ) |
| John Koskamp (1893- ) |