The rising star of Irish jockey Aidan O'Brien 's career is his own son Joseph . The pair are the first father - and - son to win the Epsom Derby as trainer and jockey . Joseph says their plans ` ` do n't always go to plan '' but the pair have enjoyed great success . As well as being his father 's favored jockey , O'Brien has named him as his potential successor . O'Brien says Joseph could one day take over training at the prestigious Coolmore stable .
The rising star of Irish jockey Aidan O'Brien 's career is his own son Joseph . The pair are the first father - and - son to win the Epsom Derby as trainer and jockey . Joseph says their plans ` ` do n't always go to plan '' but the pair have enjoyed great success . O'Brien says Joseph could one day take over training at the prestigious Coolmore stable .