| DFB-Pokal 1965/1966 - Appearances as Referee |  |
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| 22/01/1966 | Bor. Mönchengladbach | - | Borussia Neunkirchen | 0:1 aet | - | - | - |
| DFB-Pokal 1965/1966 - Appearances as Referee | |
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| 22/01/1966 | Bor. Mönchengladbach | - | Borussia Neunkirchen | 0:1 aet | - | - | - |
| Complete name: | Heinz Siebert |
| Born: | 02/08/1925 |
| Place of birth: |
Germany |
| Residence: | Mannheim |
| Nationality: |
Germany |
| Bundesliga (GER) appearances: | 44 |