| Prehn, Anna Doris | 1915 | Bremen 1 | |
| Prehn, Anna Erna Marie | 1904 | Bremen 1 | |
| Prehn, Eva Ruth | 1938 | Bremen 1 | |
| Prehn, Gertrud Susanne | 1919 | Bremen 1 | |
| Prehn, Ilse Erika | Kaiser | 1934 | Bremen 1 |
| Prehn, Lucie Charlotte | 1920 | Bremen 1 | |
| Prehn, Otto Wilhelm Eduard | 1917 | Bremen 1 | |
| Prehn, Werner Walter | 1942 | Bremen-Mitte |