| DFB-Pokal 1964/1965 - Appearances as Referee |  |
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| 06/02/1965 | 1. FC Nürnberg | - | Hamburger SV | 3:1 | - | - | - |
| DFB-Pokal 1964/1965 - Appearances as Referee | |
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| 06/02/1965 | 1. FC Nürnberg | - | Hamburger SV | 3:1 | - | - | - |
| Complete name: | Horst Mathieu |
| Born: | 03/06/1936 † |
| Place of birth: |
Germany |
| Residence: | Saarbrücken |
| Nationality: |
Germany |
| Bundesliga (GER) appearances: | 20 |