| KNVB beker 1980/1981 - Appearances as Referee |  |
 |
 |
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| 14/11/1980 | Go Ahead Eagles | - | Rohda Raalte | 9:3 | 3 | - | - |
| 24/01/1981 | Feyenoord | - | SBV Haarlem | 4:5 pso | 5 | - | - |
| 11/05/1981 | AZ '67 Alkmaar | - | Go Ahead Eagles | 6:1 | 2 | - | - |
| KNVB beker 1980/1981 - Appearances as Referee | |
|
|
||||
| 14/11/1980 | Go Ahead Eagles | - | Rohda Raalte | 9:3 | 3 | - | - |
| 24/01/1981 | Feyenoord | - | SBV Haarlem | 4:5 pso | 5 | - | - |
| 11/05/1981 | AZ '67 Alkmaar | - | Go Ahead Eagles | 6:1 | 2 | - | - |
| Complete name: | Ignatius van Swieten |
| Born: | 05/01/1943 † 04/05/2005 |
| Place of birth: |
Semarang, 
Indonesia |
| Nationality: |
Netherlands |