| Roles | Non-starter |
|---|---|
| Sex | Male |
| Full name | J.•Mathijsen |
| Used name | J.•Mathijsen |
| Affiliations | ABC Hercules, Amsterdam (NED) |
| NOC |  Netherlands |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1924 Summer Olympics | Boxing | NED |
J. Mathijsen | |||
| Lightweight, Men (Olympic) |
