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
Peasants' Revolt London, killing the Lord Chancellor and the Lord High Treasurer, whom they found inside. On 15 June, Richard left the city to meet Tyler and the rebels at Smithfield. Violence broke out, and Richard's party killed Tyler. Richard defused the tense situation long enough for London's mayor, William Walworth, to gather a militia from the city and disperse the rebel forces. Richard immediately began to re-establish order in London and rescinded his previous grants to the rebels. The revolt had also spread into East Anglia, where the University of Cambridge was attacked and many royal officials were killed. Unrest continued