| Regionalliga West 2008/2009 - Appearances as Referee |  |
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 |
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| 27/03/2009 | 1. FC Kleve | - | 1. FC Köln II | 2:5 | 4 | - | - |
| 22/05/2009 | SV 07 Elversberg | - | Rot-Weiss Essen | 0:0 | 4 | - | - |
| Regionalliga West 2008/2009 - Appearances as Referee | |
|
|
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| 27/03/2009 | 1. FC Kleve | - | 1. FC Köln II | 2:5 | 4 | - | - |
| 22/05/2009 | SV 07 Elversberg | - | Rot-Weiss Essen | 0:0 | 4 | - | - |
| Complete name: | Thorben Siewer |
| Born: | 05/07/1987 |
| Place of birth: |
Germany |
| Residence: | Drolshagen |
| Nationality: |
Germany |
| Profession: | Controller |
| Club: | FC Schreibershof |