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 the Foreign Secretary addresses an audience of international dignitaries. The Lord Mayor sometimes takes part in major state occasions, for example in 2013, the then-Lord Mayor, Roger Gifford carried the Mourning Sword at Margaret Thatcher's Funeral, processing ahead of the Queen and Prince Philip, Duke of Edinburgh, into St Paul's Cathedral. The Lord Mayor performs numerous other functions, including serving as the Chief Magistrate of the City of London, Admiral of the Port of London, Rector of City, University of London, President of Gresham College, President of City of London Reserve Forces and Cadets Association, and Trustee of St Paul's