The late Prince Aga Khan IV is the most successful owner in the history of the G1 Prix de Diane Longines with seven wins, and two fillies will carry the family's famous silks in Sunday's affair.

Epsom racecourse and the sponsor Betfred are to be saluted on their decision to run this year's Derby 'In Honour of His Highness Aga Khan IV'. No family has been a more constant competitor in the ...