| Serek, Agnes | 1896 | Grohn | |
| Serek, Franz | 1896 | Grohn | |
| Serek, Franz Günther | 1926 | Vegesack | |
| Serek, Franziska | 1900 | Bremen | |
| Serek, Fritz | 1926 | Aumund | |
| Serek, Helene | 1922 | Bremen 1 | |
| Serek, Joseph | 1899 | Grohn | |
| Serek, Nicolaus | 1899 | Blumenthal | |
| Serek, Stanislava | 1926 | Blumenthal | |
| Serek, Stefana | 1920 | Grohn | |
| Serek, Viktoria | 1934 | Bremen 3 / 2 (Gröpelingen) |