| Sionkiewicz, Eleonora | 1912 | Bremen 1 | |
| Sionkiewicz, Franz | 1907 | Blumenthal | |
| Sionkiewicz, Franziska | 1940 | Bremen-Hemelingen | |
| Sionkiewicz, Johann | 1913 | Blumenthal | |
| Sionkiewicz, Pelagia | 1901 | Blumenthal | |
| Sionkiewicz, Stanislawa | 1907 | Blumenthal | |
| Sionkiewicz, Theodosia | 1913 | Blumenthal |