| Witczak, Eduard | 1902 | Blumenthal | |
| Witczak, Franz | 1917 | Blumenthal | |
| Witczak, Hedwig | 1917 | Blumenthal | |
| Witczak, Helene | Szymanski | 1972 | Bremen-Vegesack |
| Witczak, Johanne Josefine | Majchrzak | 1974 | Bremen-Vegesack |
| Witczak, Stanislawa | 1914 | Blumenthal | |
| Witczak, Stephan | 1986 | Bremen-Nord |