| Roles | Non-starter |
|---|---|
| Sex | Female |
| Full name | Sonja•Sieberg |
| Used name | Sonja•Sieberg |
| Born | 14 April 1915 |
| Affiliations | HZ & PC |
| NOC | Netherlands |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1936 Summer Olympics | Swimming (Aquatics) | NED |
Sonja Sieberg | |||
| 4 × 100 metres Freestyle Relay, Women (Olympic) | Netherlands |