| Deutsche Meisterschaft 1930/1931 - Appearances as Referee |  |
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| 10/05/1931 | VfB Königsberg | - | Dresdner SC | 1:8 | - | - | - |
| Deutsche Meisterschaft 1930/1931 - Appearances as Referee | |
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| 10/05/1931 | VfB Königsberg | - | Dresdner SC | 1:8 | - | - | - |
| Complete name: | Willi Siebert |
| Born: | |
| Place of birth: |
Germany |
| Residence: | Forst / Kassel |
| Nationality: |
Germany |