| Roles | Non-starter | |
|---|---|---|
| Sex | Male | |
| Full name | Marcel•Welter | |
| Used name | Marcel•Welter | |
| Born | 7 January 1924 in Pétange, Luxembourg | |
| Died | 25 July 2009 (aged 85 years 6 months 18 days) in Luxembourg, Luxembourg | |
| Affiliations | CS Pétange — Pétange, Luxembourg | |
| NOC | Luxembourg |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1948 Summer Olympics | Football (Football) | Marcel Welter | ||||
| Football, Men (Olympic) | Luxembourg | |||||
| 1952 Summer Olympics | Football (Football) | Marcel Welter | ||||
| Football, Men (Olympic) | Luxembourg |