| Oberliga West (1947-63) 1950/1951 - Appearances as Referee |  |
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| 08/10/1950 | Rot-Weiß Oberhausen | - | Borussia VfL M.-Gladbach | 0:3 | - | - | - |
| 10/12/1950 | DJK SF Katernberg | - | Fortuna Düsseldorf | 1:0 | - | - | - |
| Oberliga West (1947-63) 1950/1951 - Appearances as Referee | |
|
|
||||
| 08/10/1950 | Rot-Weiß Oberhausen | - | Borussia VfL M.-Gladbach | 0:3 | - | - | - |
| 10/12/1950 | DJK SF Katernberg | - | Fortuna Düsseldorf | 1:0 | - | - | - |
| Complete name: | Siewert |
| Born: | |
| Place of birth: |
Germany |
| Residence: | Wuppertal-Vohwinkel |
| Nationality: |
Germany |