| Male Gijsbertus VAN NIEUWKERK |
| Birth | 25-05-1808 | Weesperkarspel, , North Holland, Netherlands |
| Christening | 09-06-1808 | Weesp, , North Holland, Netherlands |
| Death | 29-06-1859 | Abcoude, , Utrecht, Netherlands |
| Burial | ||
| Marriage | ||
| Father | ||
| Mother | ||
| Female Dirkje VAN DER NEUT |
| Birth | 22-04-1819 | Weesperkarspel, , North Holland, Netherlands |
| Death | 14-02-1855 | |
| Burial | ||
| Father | ||
| Mother | ||
| Male Gijsbertus VAN NIEUWKERK |
| Birth | ||
| Death | ||
| Burial | ||
| Spouse | Johanna Wilhelmina VAN AGGELEN | 1134355 | |
| Marriage | 28-01-1885 | Rotterdam, , South Holland, Netherlands |