The Clan MacDuff, also known as Clan Duff, is a Scottish clan with origins in the region of Fife. The clan takes its name from the historical title of the Earl of Fife, known as “Mormaer of Fife” in Gaelic. The MacDuffs were hereditary custodians of the royal coronation stone, the Stone of Destiny. A notable figure of the clan is MacDuff, the legendary Thane of Fife, who appears in Shakespeare’s play Macbeth. MacDuff plays a pivotal role in the play as a foil to Macbeth and ultimately helps bring about his downfall. The character of MacDuff symbolizes honor, loyalty, and justice, and his portrayal has made him a notable figure in Clan MacDuff’s history.