| Preen, Elisabeth Minna | 1931 | Bremen 1 | |
| Preen, Geog August | 1939 | Freie Hansestadt Bremen | |
| Preen, Georg | 1937 | Bremen 1 | |
| Preen, Heinrich Georg | 1940 | Bremen-Mitte | |
| Preen, Johann Wilhelm | 1907 | Bremen 1 | |
| Preen, Johann Wilhelm | 1937 | Bremen 1 | |
| Preen, Mathilde Charlotte | 1937 | Bremen 1 | |
| Preen, Meta Frieda Hermanne | 1937 | Bremen 1 |