| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Juliusz Władysław•Sieradzki | |
| Used name | Juliusz•Sieradzki | |
| Nick/petnames | Rebe | |
| Born | 23 February 1912 in Lviv, Lviv |  UKR |
| Died | 30 November 1999 (aged 87 years 9 months 7 days) in Sopot, Pomorskie |  POL |
| Measurements | 178 cm / 70 kg | |
| NOC | Poland | POL |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1936 Summer Olympics | Sailing | POL |
Juliusz Sieradzki | |||
| Three-Person Keelboat, Open (Olympic) | Danuta | 11 |
