| Onnken, Adeline Auguste | Link | 1911 | Vegesack |
| Onnken, Eveline Wilhelmine | Kink | 1909 | Vegesack |
| Onnken, Frida Eveline | 1900 | Vegesack | |
| Onnken, Frieda Lina | 1904 | Vegesack | |
| Onnken, Johann Carl Wilhelm | 1899 | Aumund | |
| Onnken, Karl Friedrich | 1902 | Vegesack | |
| Onnken, Lili Martha | 1904 | Vegesack | |
| Onnken, Martha | 1907 | Vegesack | |
| Onnken, Richard Karl | 1905 | Vegesack |