| Sickel, Alma | Döring | 1895 | Bremen |
| Sickel, Frieda Elisab. Marie | Döring | 1894 | Bremen |
| Sickel, Friedrich August Karl Theodor | Döring | 1907 | Bremen 1 |
| Sickel, Melitta Rosa Margarethe | Döring | 1905 | Bremen 1 |
| Sickel, Walter Carl Aug. | Döring | 1900 | Bremen |
| Sickel, Walter Carl August | Döring | 1902 | Bremen 1 |