| Relegation Bundesliga 2021/2022 - Appearances as Assistant | ||||
| 19/05/2022 | Hertha BSC | - | Hamburger SV | 0:1 |
| Relegation Bundesliga 2021/2022 - Appearances as Assistant | ||||
| 19/05/2022 | Hertha BSC | - | Hamburger SV | 0:1 |
| Complete name: | Thorben Siewer |
| Born: | 05/07/1987 |
| Place of birth: |
Germany |
| Residence: | Drolshagen |
| Nationality: |
Germany |
| Profession: | Controller |
| Club: | FC Schreibershof |