| Seibert, Auguste Henriette Johanne Elisabeth | 1900 | Grambke | |
| Seibert, Carl Paul | 1906 | Bremen 1 | |
| Seibert, Caroline Antoinette | 1902 | Bremen, Bremen 1 | |
| Seibert, Franziska Pauline | 1900 | Grambke | |
| Seibert, Frieda Marie Johanne | 1902 | Bremen 1 | |
| Seibert, Georg | 1925 | Bremen 1 | |
| Seibert, Jacob | 1882 | Bremen | |
| Seibert, Karl | 1911 | Bremen 1 | |
| Seibert, Pauline Adele Antoinette | 1903 | Bremen 1 | |
| Seibert, Wilhelm Heinrich Eugen | 1938 | Freie Hansestadt Bremen | |
| Seibert, Wilhelmine Amalie Adelheid | 1903 | Bremen 1 |