| KNVB beker 1965/1966 - Appearances as Referee |  |
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| 19/09/1965 | DHC Delft | - | Holland Sport | 0:3 | - | - | - |
| 30/03/1966 | Go Ahead | - | Feijenoord | 3:0 | - | - | - |
| 25/05/1966 | RC&FC Sparta | - | ADO | 1:0 | - | - | - |
| KNVB beker 1965/1966 - Appearances as Referee | |
|
|
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| 19/09/1965 | DHC Delft | - | Holland Sport | 0:3 | - | - | - |
| 30/03/1966 | Go Ahead | - | Feijenoord | 3:0 | - | - | - |
| 25/05/1966 | RC&FC Sparta | - | ADO | 1:0 | - | - | - |
| Complete name: | Leopold Sailvin Horn |
| Born: | 29/08/1916 † 16/09/1995 |
| Place of birth: |
Sittard, 
Netherlands |
| Nationality: |
Netherlands |