| Gredel, Anna Ida Emma | Gensecke | 1949 | Bremen-Vegesack |
| Gredel, Emma Anna | 1908 | Grohn | |
| Gredel, Georg | 1979 | Bremen-Mitte | |
| Gredel, Hermann | 1912 | Grohn | |
| Gredel, Karl Hermann | 1957 | Bremen-Vegesack | |
| Gredel, Robert Friedrich Hermann | 1911 | Grohn | |
| Gredel, Walter Georg | 1923 | Bremen 1 |