Henry Somerset, 10th Duke of Beaufort
Henry Hugh Arthur FitzRoy Somerset, 10th Duke of Beaufort KG, GCVO, KStJ, PC , styled Marquess of Worcester until 1924, was an English peer, Gloucestershire landowner, leading figure in the equestrian world, and society figure. A relative and very close friend of the Royal Family, he held the office of Master of the Horse for fortytwo years , longer than anybody else. He also founded the Badminton Horse Trials. The greatest foxhunter of the twentieth century, his long tenure as Master of the Beaufort Hunt led to his being universally nicknamed Master.
Beaufort married the Lady Victoria Constance Mary Cambridge , daughter of Adolphus Cambridge, 1st Marquess of Cambridge onJune 1923. She had been born with the title Princess Mary of Teck but her family had changed their names to show their solidarity with the nation during World War I. Her paternal aunt was Queen Mary, wife of King George V, so Kings Edward VIII and George VI were her first cousins. The Beauforts were among the closest friends of the Royal Family Queen Mary lived at Badminton during World War II, and the royals came to stay several times a year, particularly for the Horse Trials which usually included the Queens birthday.
Source: Wikipedia