1839-1862
| Cornelis DERKS | |
| B: | 07-10-1839 |
| Groningen, , Groningen, Netherlands | |
| D: | 25-01-1862 |
| Leeuwarden, , Friesland, Netherlands | |
1841-
| Gerardus DERKS | |
| B: | 04-06-1841 |
| Groningen, , Groningen, Netherlands | |
1843-1900
| Grietje DERKS | |
| B: | 02-05-1843 |
| Groningen, , Groningen, Netherlands | |
| D: | 21-01-1900 |
| Groningen, , Groningen, Netherlands | |
1807-1866
| Derk Cornelis DERKS | |
| B: | 03-01-1807 |
| Groningen, , Groningen, Netherlands | |
| D: | 26-05-1866 |
| Groningen, , Groningen, Netherlands | |
1804-1860
| Hindrikje MEINDERS | |
| B: | 11-01-1804 |
| Groningen, , Groningen, Netherlands | |
| M: | 30-06-1839 |
| Groningen, , Groningen, Netherlands | |
| D: | 18-06-1860 |
| Groningen, , Groningen, Netherlands | |