Grant Harrold (a.k.a. The Royal Butler) is a former butler to King Charles III and the United Kingdom's leading expert on etiquette. Grant was a member of the Royal household of Their Majesties King Charles III and Queen Camilla. Based at their country Highgrove House in The Cotswolds, his duties included being butler for The King and Queen, The Prince and Princess of Wales and The Duke of Sussex. On occasions, Grant also had the honour to Butler for the Late Queen Elizabeth II and her Husband The Late Prince Philip Duke of Edinburgh.