Dukes in the United Kingdom

Duke, in the United Kingdom, is the highest-ranking hereditary title in all four peerages of the British Isles. A duke thus outranks all other holders of titles of nobility (Marquess, Earl, Viscount and Baron).

Dukes in the United Kingdom

Duke, in the United Kingdom, is the highest-ranking hereditary title in all four peerages of the British Isles. A duke thus outranks all other holders of titles of nobility (Marquess, Earl, Viscount and Baron).