| KNVB beker 2010/2011 - Appearances as Assistant | ||||
| 11/11/2010 | Achilles'29 | - | Heracles Almelo | 5:3 |
| 26/01/2011 | FC Twente | - | PSV Eindhoven | 7:6 pso |
| 08/05/2011 | FC Twente | - | AFC Ajax | 3:2 aet |
| KNVB beker 2010/2011 - Appearances as Assistant | ||||
| 11/11/2010 | Achilles'29 | - | Heracles Almelo | 5:3 |
| 26/01/2011 | FC Twente | - | PSV Eindhoven | 7:6 pso |
| 08/05/2011 | FC Twente | - | AFC Ajax | 3:2 aet |
| Complete name: | Nicky Siebert |
| Born: | 29/12/1969 |
| Place of birth: |
Netherlands |
| Nationality: |
Netherlands |