| Robbers, Anna | Siemer | 1888 | Bremen |
| Robbers, Anna | Robbers | 1893 | Bremen |
| Robbers, Anna Elise Friederike | Siemer | 1894 | Bremen |
| Robbers, Anna Marie Meta | Siemer | 1889 | Bremen |
| Robbers, Johann Heinrich Louis | Siemer | 1892 | Bremen |
| Robbers, Theodor Friedrich | Siemer | 1896 | Bremen |