| Friendlies 1968 - Appearances as Referee |  |
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| 20/11/1968 | Denmark | - | Luxembourg | 5:1 | - | - | - |
| Friendlies 1968 - Appearances as Referee | |
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| 20/11/1968 | Denmark | - | Luxembourg | 5:1 | - | - | - |
| Complete name: | Heinz Siebert |
| Born: | 02/08/1925 |
| Place of birth: |
Germany |
| Residence: | Mannheim |
| Nationality: |
Germany |
| Bundesliga (GER) appearances: | 44 |