| Gerhardt, Arthur Gustav | 1905 | Blumenthal | |
| Gerhardt, Günter Heinrich Friedrich | Faber | 1912 | Bremen 1 |
| Gerhardt, Hans Christian Karl | Faber | 1906 | Bremen 1 |
| Gerhardt, Karl Alois | 1899 | Blumenthal | |
| Gerhardt, Karl Wilhelm | Schmitt | 1906 | Bremen 1 |
| Gerhardt, Max Johann | Dechert | 1906 | Bremen 1 |
| Gerhardt, Wilhelmine Helene | 1900 | Blumenthal |