| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Juan•Martínez de Vallejo Manglano |
| Used name | Juan•Martínez de Vallejo |
| Born | 13 November 1924 in Valencia, Valencia (ESP) |
| Died | 15 August 1994 (aged 69 years 9 months 2 days) in Torre de la Horadada, Alicante (ESP) |
| Measurements | 167 cm / 68 kg |
| Title(s) | Conde consorte (Count consort) de Roche |
| NOC | Spain |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1960 Summer Olympics | Equestrian Jumping (Equestrian) | ESP |
Juan Martínez de Vallejo | |||
| Individual, Open (Olympic) | Charmeuse | =24 | ||||
| Team, Open (Olympic) | Charmeuse / Spain |