| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Female | |
| Full name | Marguerite Isabelle•Ruygrok (-Jenkins) | |
| Used name | Marguerite•Ruygrok | |
| Born | 3 June 1947 in Amsterdam, Noord-Holland |  NED |
| Affiliations | Albany Creek, Queensland — Albany Creek, Queensland |  AUS |
| NOC | Australia | AUS |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1964 Summer Olympics | Swimming (Aquatics) | AUS |
Marguerite Ruygrok | |||
| 200 metres Breaststroke, Women (Olympic) | 9 | |||||
| 4 × 100 metres Medley Relay, Women (Olympic) | Australia | 9 |
