| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Jacques Marie•De Wykerslooth De Rooyesteyn | |
| Used name | Jacques•De Wykerslooth De Rooyesteyn | |
| Born | 8 July 1896 in Bruxelles (Brussels), Région de Bruxelles-Capitale |  BEL |
| Died | 19 July 1988 (aged 92 years 11 days) in Guirsch, Luxembourg | BEL |
| NOC | Belgium | BEL |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1924 Summer Olympics | Modern Pentathlon | BEL |
Jacques De Wykerslooth De Rooyesteyn | |||
| Individual, Men (Olympic) | 29 |
