
| Wolter Lubertus de Graaf | |
| G: | 14 apr 1924 |
| Warffum, Warffum, Groningen, Netherlands | |
| O: | 23 dec 1944 |
| Warffum, Warffum, Groningen, Netherlands | |
| Grietje Bosma | |
| G: | 9 jul 1897 |
| Usquert, Usquert, Groningen, Netherlands | |
| O: | 29 dec 1963 |
| Groningen, Groningen, Groningen, Nederland | |
| Wolter de Graaf | |
| G: | 24 dec 1892 |
| Rasquert, Baflo, Groningen, Netherlands | |
| H: | 20 mei 1921 |
| Warffum, Warffum, Groningen, Netherlands | |
| O: | 27 jul 1978 |
| Uithuizen, Eemsmond, Groningen, Netherlands | |