| Rohnstein, Alfred Hermann | Ketzschmar | 1887 | Bremen |
| Rohnstein, Anna Adolphine | Kretzschmar | 1893 | Bremen |
| Rohnstein, Else | Kretschmar | 1886 | Bremen |
| Rohnstein, Karl Heinrich | Kretzschmar | 1890 | Bremen |
| Rohnstein, Martha Helma | Kretzschmar | 1892 | Bremen |
| Rohnstein, Wilh. Adolf | Kretzschmer | 1889 | Bremen |