Tofterå Slettemoen genealogy
Family: Gerardus IJsbrand Overwater / Louise Francisca Wiehe (F11694)
 | Johannes Overwater (1832-1886) 
|
 | Alida Akerboom (1840-1915)
|
| Berendina Wilhelmina Overwater (1865-1945)  |
| Cornelis Adrianus Overwater (1867-1931) |
| Elisabeth Maria Overwater (1869-1960) |
| Johannes Clemens Overwater (1872-1872) |
| IJsbrand Johannes Overwater (1873-1947) |
| Johanna Elisabeth Overwater (1875-1900) |
| Johannes Christianus (John) Overwater (1878-1962) |
| Jacobus Gerardus Overwater (1880-1973) |
| Bernardus Gerardus Overwater (1883-1900) |
| Gerardus IJsbrand Overwater (1863- )
|
| Louise Francisca Wiehe (1866- ) |
| Johannes Cornelis Overwater (1889- ) |