| KNVB beker 1983/1984 - Appearances as Referee |  |
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| 08/10/1983 | NEC Nijmegen | - | SBV Excelsior | 2:0 | 3 | - | - |
| 07/01/1984 | NEC Nijmegen | - | Drechtsteden '79 | 1:1 | 4 | - | - |
| 28/02/1984 | FC Groningen | - | FC Twente | 2:2 | 3 | - | - |
| KNVB beker 1983/1984 - Appearances as Referee | |
|
|
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| 08/10/1983 | NEC Nijmegen | - | SBV Excelsior | 2:0 | 3 | - | - |
| 07/01/1984 | NEC Nijmegen | - | Drechtsteden '79 | 1:1 | 4 | - | - |
| 28/02/1984 | FC Groningen | - | FC Twente | 2:2 | 3 | - | - |
| Complete name: | John Blankenstein |
| Born: | 12/02/1949 † 25/08/2006 |
| Place of birth: |
Den Haag, 
Netherlands |
| Nationality: |
Netherlands |