| Petscheck, Gust. Adolph Herm. | 1911 | Bremen 1 | |
| Petscheck, Joh. Karl Herm. | 1879 | Bremen | |
| Petscheck, Joh. Karl Herm. | 1896 | Bremen | |
| Petscheck, Johanne Auguste Franziska | 1935 | Bremen 1 | |
| Petscheck, Kora Hermanna | 1921 | Bremen 1 | |
| Petscheck, Walter Arthur Hermann | 1940 | Bremen-Mitte |