| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Alexander•van Geen |
| Used name | Alexander, Jonkheer•van Geen |
| Born | 7 December 1903 in Den Haag (The Hague), Zuid-Holland (NED) |
| Died | 27 February 1942 in Java Sea (UNK) |
| Title(s) | Jonkheer |
| NOC | Netherlands |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1936 Summer Olympics | Modern Pentathlon | NED |
Alexander, Jonkheer van Geen | |||
| Individual, Men (Olympic) | 18 |