According to Royal Central:
The Prince of Wales acts as an ex-officio member, while the Dukes of Kent, Gloucester, York and Cambridge, as well as the Earl of Wessex, the Princess Royal and Princess Alexandra are supernumerary Royal Knights or Ladies of the Garter. In 2022, the Duchess of Cornwall will be installed as the newest Royal Lady of the Garter.
Each year, Garter Day is celebrated in June in St. George’s Chapel at Windsor Castle – the Order’s Mother Church. The Queen begins Garter Day by formally investing any new members in the Throne Room at Windsor Castle, then hosts a lunch…
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