| Potthas, | 1922 | Bremen 1 | |
| Potthas, | 1924 | Bremen 1 | |
| Potthas, Adelh. Anna Auguste | 1887 | Bremen | |
| Potthas, Auguste | 1887 | Bremen | |
| Potthas, Auguste Friederike | Kuhlmann | 1926 | Bremen 1 |
| Potthas, Carl Anton | 1953 | Bremen-Mitte | |
| Potthas, Carl Heinr. Aug. | 1887 | Bremen | |
| Potthas, Carl Heinrich | 1923 | Bremen 7 / 4 (Horn) | |
| Potthas, Friedrich August | 1944 | Bremen-Burglesum | |
| Potthas, Gesine Friedr. | 1878 | Bremen | |
| Potthas, Johann Dettmer | 1885 | Bremen | |
| Potthas, Karl Heinz Georg | 1929 | Bremen 1 | |
| Potthas, Lucie Gesine | Bolthaus | 1964 | Bremen-Mitte |