Lady Louise Windsor, the 22-year-old daughter of the Duke and Duchess of Edinburgh, is quietly working behind the scenes as an organizer at the Royal Windsor Horse Show.
Held annually since 1943, the Royal Windsor Horse Show begins Thursday and hosts international competitors for dressage, show jumping, driving, and endurance riding on the private grounds of Windsor Castle. Lady Louise, who is studying English at St Andrew’s University in Scotland, has been helping ensure that the four-day…

