| KNVB beker 1965/1966 - Appearances as Referee |  |
 |
 |
||||
| 02/01/1966 | PSV Eindhoven | - | VV Baronie | 5:2 | - | - | - |
| KNVB beker 1965/1966 - Appearances as Referee | |
|
|
||||
| 02/01/1966 | PSV Eindhoven | - | VV Baronie | 5:2 | - | - | - |
| Complete name: | Gerard Klaassens |
| Born: | 07/02/1931 |
| Place of birth: |
Netherlands |
| Residence: | Venlo |
| Nationality: |
Netherlands |