Full name: Jacobus Marinus "Koos" Schouwenaar
Gender: Male
Born: October 9, 1902 in Alblasserdam, Zuid-Holland, Netherlands
Died: June 22, 1941 in North Sea, Unknown, Mixed team
Affiliations: Laga, Delft (NED)
Country:
Netherlands
Sport: Rowing
| Games | Age | City | Sport | Event | Team | NOC | Rank | Medal | |
|---|---|---|---|---|---|---|---|---|---|
| 1928 Summer | 25 | Amsterdam | Rowing | Men's Coxed Eights | Netherlands | NED | 2 h4 r3/7 |
| Games | Age | City | Sport | Team | NOC | Phase | Unit | T |
|---|---|---|---|---|---|---|---|---|
| 1928 Summer | 25 | Amsterdam | Rowing | Netherlands | NED | Round Two | Heat Four | 6:59.0 |
| 1928 Summer | 25 | Amsterdam | Rowing | Netherlands | NED | Round One Repêchage | Heat One | 6:47.4 |
| 1928 Summer | 25 | Amsterdam | Rowing | Netherlands | NED | Round One | Heat Two | 6:42.8 |