| Ladberg, Adeline Mathilde | 1928 | Bremen 1 | |
| Ladberg, Bernhard Johann Ludwig | 1909 | Bremen 1 | |
| Ladberg, Ernst August Heinr. | 1913 | Bremen 1 | |
| Ladberg, Fritz Christian Hermann Franz | 1940 | Bremen-Mitte | |
| Ladberg, Hermann Wilhelm | 1910 | Bremen 2 (Hastedt) | |
| Ladberg, Sophie Minna | Heise | 1925 | Bremen 1 |