| Seyffert, Anna Adelheid | Jantzen | 1915 | Bremen 1 |
| Seyffert, Auguste Adeline | Schnatmeyer | 1973 | Bremen-Mitte |
| Seyffert, Christian | 1976 | Bremen-Vegesack | |
| Seyffert, Ernst Amandus | 1928 | Vegesack | |
| Seyffert, Ernst Amandus | 1963 | Bremen-Vegesack | |
| Seyffert, Friedr. Wilh. | 1898 | Bremen | |
| Seyffert, Heinrich Fritz Curt | 1922 | Horn, Bremen 7 (Horn) | |
| Seyffert, Louise | Rückeldt | 1930 | Bremen 1 |
| Seyffert, Moritz Ferdinand | 1909 | Bremen 1 | |
| Seyffert, Paul | 1981 | Bremen-Mitte | |
| Seyffert, Pauline Elisabeth | Müller | 1964 | Bremen-Mitte |