| Dettmar, Carl Friedrich Rudolph | Kaufmann | 1887 | Bremen |
| Dettmar, Georg Christian | Bantje | 1892 | Bremen |
| Dettmar, Georg Philipp Heinrich | Kaufmann | 1885 | Bremen |
| Dettmar, Johanne Christiane E. | Grube | 1881 | Bremen |
| Dettmar, Margarethe Gertrud Elli | Brandes | 1894 | Bremen |