Tofterå Slettemoen genealogy
Family: Joan Hermanus Sickmann / Catharina Overwater (F9234)
m. 15 May 1844 | Werner Jansz Overwater (1778-1849) 
|
 | Johanna van Schulpen (1783-1823) |
| Maria Overwater (1813-1848)  |
| Wilhelmina Elizabeth Overwater (1816-1822) |
| Margaretha Alida Overwater (1820-1821) |
| Catharina Overwater (1810-1896)
|
| Joan Hermanus Sickmann (1811-1859) |
| Johannes Bernardus Hermanus Sickmann (1845- ) |
| Johanna Wilhelmina Maria Sikmann (1847-1870) |
| Johannes Gerardus Hendricus Sickmann (1852-1922) |