| Roles | Competed in Olympic Games • Referee |
|---|---|
| Sex | Male |
| Full name | Idzard Louis Douwe•Sirtema van Grovestins |
| Used name | Idzard, Baron•Sirtema van Grovestins |
| Born | 22 January 1893 in Den Haag (The Hague), Zuid-Holland (NED) |
| Died | 6 October 1983 (aged 90 years 8 months 15 days) in Brummen, Gelderland (NED) |
| Title(s) | Baron |
| NOC | Netherlands |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1920 Summer Olympics | Equestrian Eventing (Equestrian) | NED |
Idzard, Baron Sirtema van Grovestins | |||
| Individual, Men (Olympic) | Good Shot | 20 |
| Games | Sport (Discipline) / Event | NOC / Team | Phase | Unit | Role | As | |
|---|---|---|---|---|---|---|---|
| 1952 Summer Olympics | Equestrian Dressage (Equestrian) | NED |
Idzard, Baron Sirtema van Grovestins | ||||
| Individual, Open (Olympic) | Final Standings | Judge #2 | |||||
| Team, Open (Olympic) | Final Standings | Judge #2 |