| Halfmann, Anne Gesine | 1898 | Aumund | |
| Halfmann, Arthur Siegfried | Poppe | 1905 | Bremen 1 |
| Halfmann, Erich Otto | Poppe | 1902 | Bremen 1 |
| Halfmann, Erna Ilse Cäcilie | Meyer | 1912 | Bremen 1 |
| Halfmann, Heinrich Karl | Meyer | 1911 | Bremen 1 |
| Halfmann, Karl Friedrich | 1896 | Vegesack | |
| Halfmann, Marie Adelheid | 1901 | Aumund | |
| Halfmann, Sophie | Poppe | 1899 | Bremen |
| Halfmann, Walter Felix Max | Poppe | 1900 | Bremen |