| Roles | Referee |
|---|---|
| Sex | Male |
| Full name | Johannes Pieter Adriaan "Juuf"•van Ballegooijen de Jong |
| Used name | Juuf•van Ballegooijen de Jong |
| Born | 11 March 1911 in Goes, Zeeland (NED) |
| Died | 3 August 2005 (aged 94 years 4 months 23 days) in Hoofddorp, Noord-Holland (NED) |
| NOC |  Netherlands |
| Games | Sport (Discipline) / Event | NOC / Team | Phase | Unit | Role | As | |
|---|---|---|---|---|---|---|---|
| 1960 Summer Olympics | Hockey | NED |
Juuf van Ballegooijen de Jong | ||||
| Hockey, Men (Olympic) | Match #4 | Spain — New Zealand | Umpire 2 | ||||
| Hockey, Men (Olympic) | Match #1 | New Zealand — Unified Team of Germany | Umpire 1 | ||||
| Hockey, Men (Olympic) | Replay #2 | Australia — Kenya | Umpire 2 | ||||
| Hockey, Men (Olympic) | Replay #3 | New Zealand — Australia | Umpire 2 | ||||
| Hockey, Men (Olympic) | Match #1 | Pakistan — Australia | Umpire 1 | ||||
| Hockey, Men (Olympic) | Match #3 | Belgium — Great Britain | Umpire 2 |
