| Hardtke, Alwine Betty | 1935 | Bremen 1 | |
| Hardtke, Anna Herta | 1931 | Hemelingen I | |
| Hardtke, Christian | 1902 | Bremen 1 | |
| Hardtke, Elise Alwine | 1936 | Mahndorf | |
| Hardtke, Hermann Carl | 1907 | Hemelingen | |
| Hardtke, Hermann Karl Martin | 1932 | Arsten | |
| Hardtke, Hermann Maximilian | 1902 | Bremen, Bremen 1 | |
| Hardtke, Josias Jochim | 1906 | Bremen 1 | |
| Hardtke, Marie Dorothee | 1931 | Bremen 1 | |
| Hardtke, Marie Gesine Martha | 1938 | Hemelingen | |
| Hardtke, Sophie | 1926 | Hemelingen |