| Drettmann, Adelheid | Mattfeldt | 1868 | Bremen |
| Drettmann, Johanna Christ. Maria | 1840 | Bremen | |
| Drettmann, Liborius | 1846 | Bremen | |
| Drettmann, Liborius | 1866 | Bremen | |
| Drettmann, Marg. Wilh. | 1834 | Bremen | |
| Drettmann, Margarethe | Mohrmann | 1866 | Bremen |
| Drettmann, Marie Sophie Louise | Graue | 1863 | Bremen |
| Drettmann, NN | 1874 | Bremen | |
| Drettmann, Wilhelm | 1842 | Bremen | |
| Drettmann, Wilhelm Ernst | 1851 | Bremen |