| Johannes Albert Dulfer |
| Johannes Albert Dulfer | |
| G: | ca. 1919 |
| Winterswijk | |
| O: | 18 jan 1938 |
| Winterswijk | |
|
| Herman August Dulfer |
| Herman August Dulfer | |
| G: | ca. 1882 |
| O: | 7 feb 1955 |
| Winterswijk | |
| Grada Johanna te Winkel |
| Grada Johanna te Winkel | |
| O: | Ja, datum echter onbekend |