| Code | SWI-F-008606 |
|---|---|
| Gender | Female |
| Full name | Adriana Elisabeth "Jannie"•de Groot (-van Maris) |
| Used name | Jannie•de Groot |
| Born | 4 January 1930 |
| Died | 27 July 2011 |
| Sport | Competition | Host City | Country | Event | Placement | Country | |
|---|---|---|---|---|---|---|---|
| Swimming | 1947 European Aquatics Championships | Monte Carlo | 200 m Breaststroke, Women | 🥉 | |||
| Swimming | 1950 European Aquatics Championships | Wien | 200 m Breaststroke, Women | 🥉 |