| World Cup 1930 Uruguay - Appearances as Assistant | ||||
| 14/07/1930 | Romania | - | Peru | 3:1 |
| 16/07/1930 | Chile | - | Mexico | 3:0 |
| World Cup 1930 Uruguay - Appearances as Assistant | ||||
| 14/07/1930 | Romania | - | Peru | 3:1 |
| 16/07/1930 | Chile | - | Mexico | 3:0 |
| Complete name: | Johannes Langenus |
| Born: | 08/12/1891 † 01/10/1952 |
| Place of birth: |
Antwerpen, 
Belgium |
| Nationality: |
Belgium |
| Profession: | Beamter |