| Proft, Albert Oswald | Witte | 1906 | Bremen 1 |
| Proft, Christian Karl | Witte | 1907 | Bremen 1 |
| Proft, Friedr. Oscar Carl | Honschopp | 1884 | Bremen |
| Proft, Hedwig Rosa | Witte | 1908 | Bremen 1 |
| Proft, Helene Minna | Honschopp | 1891 | Bremen |
| Proft, Paul Gustav Karl | Witte | 1910 | Bremen 1 |
| Proft, Sophie Marie Martha | Honschopp | 1889 | Bremen |