| KNVB beker 1993/1994 - Appearances as Referee |  |
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| 09/11/1993 | Telstar | - | FC Volendam | 2:1 | 1 | - | 1 |
| 14/12/1993 | NEC Nijmegen | - | De Graafschap | 2:0 | 2 | - | - |
| 08/02/1994 | RKC Waalwijk | - | Feyenoord | 2:4 | 1 | - | - |
| KNVB beker 1993/1994 - Appearances as Referee | |
|
|
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| 09/11/1993 | Telstar | - | FC Volendam | 2:1 | 1 | - | 1 |
| 14/12/1993 | NEC Nijmegen | - | De Graafschap | 2:0 | 2 | - | - |
| 08/02/1994 | RKC Waalwijk | - | Feyenoord | 2:4 | 1 | - | - |
| Complete name: | John Blankenstein |
| Born: | 12/02/1949 † 25/08/2006 |
| Place of birth: |
Den Haag, 
Netherlands |
| Nationality: |
Netherlands |