| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Ernst Adriaan•Rost-Onnes | |
| Used name | Ernst•Rost-Onnes | |
| Born | 5 December 1985 in Amsterdam, Noord-Holland |  NED |
| Measurements | 184 cm / 76 kg | |
| Affiliations | HIC — Amstelveen, Noord-Holland | NED |
| NOC | Brazil |  BRA |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 2016 Summer Olympics | Hockey | BRA |
Ernst Rost-Onnes | |||
| Hockey, Men (Olympic) | Brazil | 12 |
