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. Representing his daughter Princess Zahra Aga Khan is Mandanaba (Ghaiyyath), while Cankoura (Persian King) will race in the Aga Khan Studs' colours. Both fillies are trained by Francis-Henri Graffard, with Mandanaba coming off a third in the G1 Prix d'Essai des Pouliches. Mandanaba carries further distinction as the final foal out of Princess Zahra's...