| Youth Youth League 2023/2024 - Appearances as Referee |  |
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 |
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| 07/11/2023 | Manchester City | - | BSC Young Boys | 3:0 | 7 | - | - |
| Youth Youth League 2023/2024 - Appearances as Referee | |
|
|
||||
| 07/11/2023 | Manchester City | - | BSC Young Boys | 3:0 | 7 | - | - |
| Complete name: | Iwan Arwel Griffith |
| Born: | 26/08/1988 |
| Place of birth: |
Wales |
| Residence: | Conwy |
| Nationality: |
Wales |