| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Ernestus Johannes Christiaan•Greven |
| Used name | Ernestus, Jonkheer•Greven |
| Born | 8 September 1885 in Den Haag (The Hague), Zuid-Holland (NED) |
| Died | 8 March 1924 (aged 38 years 6 months) in Sopot, Pomorskie (POL) |
| Title(s) | Jonkheer |
| NOC | Netherlands |
Ernestus “Ernst” Johannes Christiaan Greven was a Dutch track and field athlete who competed during the early 1900s. Greven specialised as a sprinter and was selected to represent the Netherlands at the 1908 London Olympics. He ran in both the 100 and 200 metres but did not advance from the heats in either. Greven was only 38-years-old when he died in Poland in March 1924.
Personal Bests: 100 – unknown; 200 – unknown.
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1908 Summer Olympics | Athletics | NED |
Ernestus, Jonkheer Greven | |||
| 100 metres, Men (Olympic) | AC h4 r1/3 | |||||
| 200 metres, Men (Olympic) | 3 h6 r1/3 |