| Hetzel, Friedr. Leonhard | 1903 | Bremen 1 | |
| Hetzel, Ida Bertha | 1903 | Bremen 1 | |
| Hetzel, Johanne Wilhelmine Hermine | 1916 | Bremen 1 | |
| Hetzel, Walter August Wilhelm | 1940 | Bremen-Mitte | |
| Hetzel, Wilhelmine Johanne Auguste Emma | 1908 | Bremen 1 | |
| Hetzel, Willi Fritz Paul | 1938 | Bremen 1 |