| Siebrand, Caroline Margarethe | Fischer | 1939 | Freie Hansestadt Bremen |
| Siebrand, Günther August | 1990 | Bremen-Mitte | |
| Siebrand, Joh. Diedr. Heinr. Friedr. | 1880 | Bremen | |
| Siebrand, Johann Diedrich Heinrich | 1942 | Bremen-Mitte | |
| Siebrand, Karl August | 1918 | Bremen 1 | |
| Siebrand, Sophie Louise | Müller | 1891 | Bremen |