The rising star of champion trainer Aidan O'Brien 's stable is his own son Joseph . The pair are the first father-and-son to win the Epsom Derby as trainer and jockey . He said: "I am very proud that my sons have won this race in a year when there were so many great horses out there. O'Brien says Joseph could one day take over training at the prestigious Coolmore stable .
The rising star of champion trainer Aidan O'Brien 's stable is his own son Joseph . The pair are the first father-and-son to win the Epsom Derby as trainer and jockey . Joseph jokes their plans `` do n't always go to plan '' but the pair have had great success . O'Brien says Joseph could one day take over training at the prestigious Coolmore stable .