William Grindecobbe motivated at least in part to rebel as a result of the pressures of papal taxation. Along with Wat Tyler and John Wrawe, he was one of the key leaders of the peasants during the revolt of 1381, leading the townspeople of St Alban's on 15 June. He was executed in 1381 along with John Wrawe and John Ball. His trial and execution was overseen by Henry le Despenser. During the Peasants' Revolt of 1381, he became well known for his actions against the high lord Thomas de la Mare, Abbot of St. Albans. He led a deputation to King
Stephen Foster (Lord Mayor of London) William Rowley's (15861626) play "A New Wonder, a Woman Never Vexed", based on their lives. Stephen Foster (Lord Mayor of London) Sir Stephen Foster (fl. 1454) was a fishmonger and later Lord Mayor of London. He was the son of Robert Foster of London, a stockfish merchant. Elected Sheriff of London in 1444, he became Lord Mayor of London in 1454, and served as the city's Member of Parliament in King Henry VI's 13th parliament. According to historian John Strype, Foster married a widow named Agnes, who enlarged Ludgate prison (where Foster had at one time been imprisoned for debt)