| Cavalo | Pai | Avô Materno |
| Jaguar Mail | Hand in Glove xx | Laudanum xx |
| Jah's Diamant | Galoubet A | Garitchou AA |
| Jalis de Riverland | Bleu Blanc Rouge II | Kissovo |
| Jamiro | Damiro B | Voltaire |
| Jeff d'Or | Elf d'Or | Imam d'Or |
| John Z | Jasper | Enfant de Normandie |
| Jokus Latour | Contender | Narcos II |
| Joyau de Bloye | Diamant de Semilly | Quidam de Revel |
| Joyeux Ardent | Quouglof Rouge | Grand Veneur |
| Jumpy des Fontaines | Jus de Pomme | Ramiro Z |
| Jus des Fontaines *Isovlas | Jus de Pomme | Galoubet A |
| Just Spectacular xx | Mytens xx | Charlottown xx |