John Cavendish manor of Cavendish. In consequence, his four sons exchanged their father's name for that of the estate each inherited. John was the eldest of the sons. Sir John Cavendish married Alice de Odingsells, became a lawyer and was appointed as a Justice of the Common Pleas in 1371 and Chief Justice of the King's Bench in 1372. As Chief Justice he was obliged to suppress the Peasants' Revolt in 1381. Although Wat Tyler, the leader of the revolt was struck down by William Walworth, mayor of London, during negotiations on 15 June, John Cavendish, the second son of the Chief
Lord Mayor of London who holds the office is also known as a Lord Mayor. The wife of a male Lord Mayor is styled as Lady Mayoress, but no equivalent title exists for the husband of a female Lord Mayor. A female Lord Mayor or an unmarried male Lord Mayor may appoint a female consort, usually a fellow member of the corporation, to the role of Lady Mayoress. In speech, a Lord Mayor is referred to as "My Lord Mayor", and a Lady Mayoress as "My Lady Mayoress". It was once customary for Lord Mayors to be appointed knights upon taking office and baronets