| Ketzel, Claus Herm. Diedrich | 1881 | Bremen | |
| Ketzel, Ernst Weinreich | 1920 | Bremen 1 | |
| Ketzel, Gustav Adolph | 1896 | Bremen | |
| Ketzel, Herm. Marie Wilh.e Ernestine | 1911 | Bremen 1 | |
| Ketzel, Hermann Niolaus | 1936 | Bremen 1 | |
| Ketzel, Johanne Christine | 1876 | Bremen | |
| Ketzel, Marie Josephine | 1889 | Bremen | |
| Ketzel, Nicolaus | 1908 | Bremen 1 | |
| Ketzel, Nicolaus | 1920 | Bremen 1 |