| Roles | Non-starter |
|---|---|
| Sex | Male |
| Full name | Josephus Henricus "Jos"•Sievers |
| Used name | Jos•Sievers |
| Born | 9 April 1920 in Rotterdam, Zuid-Holland (NED) |
| Died | 23 February 1985 (aged 64 years 10 months 14 days) in Rotterdam, Zuid-Holland (NED) |
| Affiliations | HZC, Hilversum (NED) |
| NOC |  Netherlands |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1952 Summer Olympics | Water Polo (Aquatics) | NED |
Jos Sievers | |||
| Water Polo, Men (Olympic) | Netherlands |
