| Relegation Bundesliga 1979/1980 - Appearances as Referee |  |
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| 05/06/1980 | Karlsruher SC | - | Rot-Weiss Essen | 5:1 | 5 | - | - |
| Relegation Bundesliga 1979/1980 - Appearances as Referee | |
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| 05/06/1980 | Karlsruher SC | - | Rot-Weiss Essen | 5:1 | 5 | - | - |
| Complete name: | Jan Redelfs |
| Born: | 20/08/1935 † 10/11/1995 |
| Place of birth: |
Hannover, 
Germany |
| Nationality: |
Germany |
| Bundesliga (GER) appearances: | 151 |