| Johannes Hermanus Grönefeld |
| Johannes Hermanus Grönefeld | |
| G: | 7 okt 1917 |
| Rotterdam | |
| O: | 1993 |
| Wilhelmina Schermer |
| Wilhelmina Schermer | |
| G: | ca. 1915 |
| Rotterdam | |
| H: | 16 nov 1938 |
| Rotterdam | |
| O: | Ja, datum echter onbekend |
| Johannes Gabriël Hubertus Grönefeld |
| Johannes Gabriël Hubertus Grönefeld | |
| G: | 5 aug 1891 |
| Deventer | |
| O: | Ja, datum echter onbekend |
| Maria Johanna Euphemia Alink |
| Maria Johanna Euphemia Alink | |
| G: | ca. 1885 |
| Enschede | |
| H: | 13 nov 1913 |
| Enschede | |
| O: | 23 jun 1944 |
| Zeist | |
| Clazina Maria Blom |
| Clazina Maria Blom | |
| G: | ca. 1887 |
| Rotterdam | |
| O: | 28 jun 1966 |
| Leiden | |
|
| Catrina Maria Helbardina van Nimweegen |
| Catrina Maria Helbardina van Nimweegen | |
| G: | ca. 1851 |
| Leeuwarden | |
| O: | 13 dec 1893 |
| Deventer | |
| Johannes Lambertus Grönefeld |
| Johannes Lambertus Grönefeld | |
| G: | 27 apr 1861 |
| Oldenzaal | |
| H: | 9 nov 1887 |
| Utrecht | |
| O: | 11 jul 1939 |
| Rotterdam | |