| Graalfs, Albert Heinrich | Riesebieter | 1882 | Osthollerland |
| Graalfs, Carl Heinrich Hermann | Engelhardt | 1900 | Bremen |
| Graalfs, Carl-Onno Friedrich Victor | Hartmann | 1911 | Bremen 1 |
| Graalfs, Helene Louise | Cohrsen | 1902 | Bremen |
| Graalfs, Mathilde Martha | Hartmann | 1909 | Bremen 1 |
| Graalfs, Sophie Mathilde | Wiechmann | 1909 | Bremen 1 |