| Rethmann, Annemarie Henriette | Rustedt | 1911 | Bremen 1 |
| Rethmann, Bertha Catharina | Ellmer | 1892 | Osterholz |
| Rethmann, Frida Catharina | Elmers | 1902 | Osterholz |
| Rethmann, Hermann Hinrich | Elmers | 1896 | Osterholz |
| Rethmann, Hinrich Friedrich | Elmers | 1894 | Osterholz |
| Rethmann, Otto Heinrich | Ellmer | 1892 | Osterholz |
| Rethmann, Wilhelm Christian | Elmers | 1899 | Osterholz |