Info
| Last name | Diederich |
| First name | Jean |
| Nationality |  Luxembourg |
| Date of birth | 20-02-1922 |
| Place of birth | Esch-sur-Alzette |
| Passed away | 06-12-2012 |
| Age when passed away | 90 |
| Place of passing | Petange |
| Date | Rank | Race | |||||
|---|---|---|---|---|---|---|---|
| 24-08 | DNF | UCI World Championship Luxembourg (CM) | |||||
 Tour de France (GT) | |||||||
| 29-06 | 1 | Stage 5Roubaix - Namur (197.0km) | |||||
 Ronde van Nederland (2.PRO) | |||||||
| 17 |  Standings | ||||||
| 08-06 | Stage 7Utrecht - Amsterdam (60.0km) | ||||||