| WC Qualifiers Europe 1980/1981 - Appearances as Referee |  |
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| 18/11/1980 | England | - | Switzerland | 2:1 | - | - | - |
| 17/11/1981 | USSR | - | Wales | 3:0 | 1 | - | - |
| WC Qualifiers Europe 1980/1981 - Appearances as Referee | |
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| 18/11/1980 | England | - | Switzerland | 2:1 | - | - | - |
| 17/11/1981 | USSR | - | Wales | 3:0 | 1 | - | - |
| Complete name: | Johannes Nicolaus Ignacius Keizer |
| Born: | 06/10/1940 † 18/11/2024 |
| Place of birth: |
Volendam, 
Netherlands |
| Nationality: |
Netherlands |