| Potthast, Alexander Hermann Heinrich | Focke | 1866 | Bremen |
| Potthast, Anna | Lohlker | 1866 | Bremen |
| Potthast, Carl Wilhelm | Vocke | 1875 | Bremen |
| Potthast, Catharine Johanne | Focke | 1865 | Bremen |
| Potthast, Helene Gesine | Lohlker | 1864 | Bremen |
| Potthast, Johann Friedrich August | Focke | 1868 | Bremen |