| Retberg, Anna Margar. | Eggers | 1841 | Bremen |
| Retberg, Carl Julius Gustav Adolph | 1818 | Bremen | |
| Retberg, Dorothea | Eggers | 1839 | Bremen |
| Retberg, Henriette | Sengstack | 1858 | Bremen |
| Retberg, Hinrich | 1873 | Bremen | |
| Retberg, Ilsab. | Post | 1828 | Bremen |
| Retberg, Joh. Friedr. Joachim | 1828 | Bremen | |
| Retberg, Johann Hinrich Diedrich | 1873 | Bremen | |
| Retberg, Margar. Sophia | Schmidt | 1821 | Bremen |
| Retberg, Margarethe Luise | Schmidt | 1821 | Rablinghausen |
| Retberg, NN | 1827 | Bremen | |
| Retberg, Theodor Eduard Ludwig | 1819 | Bremen | |
| Retberg, Wilhelm | 1852 | Bremen | |
| Retberg, Wilhelm Friedrich | 1846 | Bremen |