| Kotowski, Alphons | 1900 | Blumenthal | |
| Kotowski, Anna | 1898 | Blumenthal | |
| Kotowski, Franz | Kupczyk | 1904 | Bremen 1 |
| Kotowski, Helene | Kupczyk | 1903 | Bremen 1 |
| Kotowski, Lambert Theodor | Kupczyk | 1910 | Bremen 1 |
| Kotowski, Marie | 1901 | Blumenthal | |
| Kotowski, Martha | Kupczyk | 1909 | Bremen 1 |