| KNVB beker 1982/1983 - Appearances as Referee |  |
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| 12/11/1982 | NEC Nijmegen | - | SC Cambuur | 3:0 | - | - | - |
| KNVB beker 1982/1983 - Appearances as Referee | |
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| 12/11/1982 | NEC Nijmegen | - | SC Cambuur | 3:0 | - | - | - |
| Complete name: | John Blankenstein |
| Born: | 12/02/1949 † 25/08/2006 |
| Place of birth: |
Den Haag, 
Netherlands |
| Nationality: |
Netherlands |