The 22-year-old royal competed in her first carriage driving event of the season after graduating. LONDON: Lady Louise Windsor, the daughter of Prince Edward and Sophie, Duchess of Edinburgh, returned to competitive carriage driving, finishing fourth in the Novice Pony class at the Glebe Estate Carriage Driving Trials in West Sussex. The 22-year-old royal competed in her first carriage driving event of the season after graduating from the University of St Andrews last month. Lady Louise was supported at the event by her boyfriend, Felix da Silva-Clamp, whom she met during her university studies. More read, Lady Louise Windsor graduates from St Andrews University during Royal Week in ScotlandEarlier,Lady Louise Windsor, the daughter of Prince Edward and Duchess Sophie, has graduated from the University of St Andrews with a degree in English.