| Backasch, Aug.e Louise | Backasch Joh. Wilh. Oscar Hugo | 1897 | |
| Backasch, Clara Friederike | Backasch Joh. Wilh. Oscar Hugo | 1897 | |
| Backasch, Helene Margar | Backasch Joh. Wilh. Oscar Hugo | 1891 | |
| Backasch, Hugo Oswald | Backasch Joh. Wilh. Oscar Hugo | 1898 | |
| Backasch, Johann Wilhelm Oscar Hugo | 1903 |