 In 1200, his descendant Geoffrey de Mandeville (who became the Earl of Essex in 1213) obtained a charter for Amersham allowing him to hold a Friday market and a fair on 7 and 8 September.In 1613, another charter was granted to Edward, Earl of Bedford, changing the market day to Tuesday, and establishing a statute fair on 19 September.In 1521, seven Lollard dissenters (William Tylsworth, John Scrivener, Thomas Barnard, James Morden, Robert Rave, Thomas Holmes and Joan Norman) were burned at the stake in Amersham.