 But more eyewitnesses, including Francis Augustus Collier, came forward to dispute Brenton's version of events and support Mitford's.Mitford died of a chest infection in St Giles workhouse in December 1831, aged 49, and was buried in the graveyard at St Dunstan's, Fleet Street.Mitford's unconventional life-style and association with publishers such as William Benbow and Edward Duncombe made him the subject of harsh criticism, although his talents as a writer were recognised.