| Effodeildin 2017 - Appearances as Assistant | ||||
| 06/08/2017 | EB/Streymur | - | KÍ Klaksvík | 2:1 |
| 20/08/2017 | HB Tórshavn | - | 07 Vestur | 3:0 |
| 10/09/2017 | NSÍ Runavík | - | Skála ÍF | 3:4 |
| 01/10/2017 | 07 Vestur | - | NSÍ Runavík | 2:3 |
| 21/10/2017 | TB/FCS/Royn | - | Skála ÍF | 0:2 |
| Effodeildin 2017 - Appearances as Assistant | ||||
| 06/08/2017 | EB/Streymur | - | KÍ Klaksvík | 2:1 |
| 20/08/2017 | HB Tórshavn | - | 07 Vestur | 3:0 |
| 10/09/2017 | NSÍ Runavík | - | Skála ÍF | 3:4 |
| 01/10/2017 | 07 Vestur | - | NSÍ Runavík | 2:3 |
| 21/10/2017 | TB/FCS/Royn | - | Skála ÍF | 0:2 |
| Complete name: | Jónleif Frederiksen |
| Born: | 03/09/1971 |
| Place of birth: |
Faroe Islands |
| Nationality: |
Faroe Islands |