Royal Household, those persons who hold posts in connection with the household of the British sovereign, including the keeper of the privy-purse and private secretary, lord-steward, treasurer, comptroller, master of the household, lord chamberlain, master of the horse, captains of the gentlemen-at-arms and yeomen of the guard, master of the buck-hounds, earl-marshal, grand falconer, lord high almoner, hereditary grand almoner, mistress of the robes, ladies of the bedchamber, maids of honor, lords-in-waiting, master of ceremonies, physicians in ordinary, poet laureate, etc.
Entry from Everybody's Cyclopedia,
1912.