It is said that somewhere in the 15ft thick walls of the castle- the birthplace of Princess Margaret and the ancestral home of the Earls of Strathmore- there may be a bricked-up secret chamber that hides the earthly remains of a hideous monster. According to legend, a monstrous child was born into the family around 200 years ago and was secretly incarcerated within the castle walls. It was said that as each heir to the earldom reached the age of 21, he was told the awful secret and shown the rigtful earl - an immensely strong and long-lived beast. It was said to have no neck, tiny arms and legs, and a hairy barrel-like body. It was believed to have lived until as late as the 1920’s.
Apart from the monster, Glamis Castle is believed to have at least nine ghosts. One is said to be Macbeth, endlessly atoning for the murder of King Duncan, another is Earl Beardie, who plays dice with the Devil in punishment for the sin of gambling on a Sunday. An unidentified Grey Lady haunts the chapel and a tongueless woman races across the grounds tearing frantically at her mouth. On wild, winter nights a ghostly madman has reportedly been seen walking on the roof, along ‘The Mad Earl’s Walk.’