| Europa League 1969/1970 - Appearances as Referee |  |
 |
 |
||||
| 17/09/1969 | FC Metz | - | SSC Napoli | 1:1 | - | - | - |
| 26/11/1969 | Arsenal FC | - | Sporting CP | 3:0 | - | - | - |
| Europa League 1969/1970 - Appearances as Referee | |
|
|
||||
| 17/09/1969 | FC Metz | - | SSC Napoli | 1:1 | - | - | - |
| 26/11/1969 | Arsenal FC | - | Sporting CP | 3:0 | - | - | - |
| Complete name: | Heinz Siebert |
| Born: | 02/08/1925 |
| Place of birth: |
Germany |
| Residence: | Mannheim |
| Nationality: |
Germany |
| Bundesliga (GER) appearances: | 44 |