| Potthast, Adelheid | Kaufmann | 1922 | Bremen 1 |
| Potthast, Alex. Herm. Heinr. | 1896 | Bremen | |
| Potthast, Amalie | 1928 | Arsten | |
| Potthast, Anna Henny Frieda Karoline Auguste | 1932 | Bremen 1 | |
| Potthast, Auguste Anna Margarete | 1933 | Bremen 1 | |
| Potthast, Carl Heinrich Wilhelm | 1929 | Bremen 1 | |
| Potthast, Carl Wilh. | 1904 | Bremen 1 | |
| Potthast, Charlotte | 1927 | Arsten | |
| Potthast, Elisabeth Gertrud | 1939 | Bremen-Mitte | |
| Potthast, Emma Catharine Bertha | 1930 | Bremen 1 | |
| Potthast, Heinrich Friedrich Christian | 1886 | Obervieland | |
| Potthast, Hermann August | 1920 | Arsten | |
| Potthast, Hildegard Agnes Elisabeth | 1934 | Bremen 1 | |
| Potthast, Joh. Friedr, Aug. | 1897 | Bremen | |
| Potthast, Johann | 1917 | Grambke, Bremen 6 (Grambke) | |
| Potthast, Karl Friedrich | 1940 | Bremen-Mitte | |
| Potthast, Karl Friedrich | 1909 | Blumenthal | |
| Potthast, Klara Luise | 1922 | Arsten | |
| Potthast, Wilhelm Carl Ferdinand | 1934 | Bremen 1 |