| Roles | Non-starter |
|---|---|
| Sex | Male |
| Full name | Daniel Jules•Maillefer |
| Used name | Daniel•Maillefer |
| Born | 1 November 1908 in Genève (Geneva), Genève (SUI) |
| Died | 13 June 1970 (aged 61 years 7 months 12 days) in Genève (Geneva), Genève (SUI) |
| Affiliations | ?, Genève (SUI) |
| NOC |  Switzerland |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1936 Summer Olympics | Water Polo (Aquatics) | SUI |
Daniel Maillefer | |||
| Water Polo, Men (Olympic) | Switzerland |
