Harewell came from Harwell in Berkshire (now in Oxfordshire). He was in the employ of the Black Prince,[1] before being collated Archdeacon of Berkshire in 1365[2] and then selected, on 14 December 1366, as Bishop of Bath and Wells. He was consecrated on 7 March 1367 and died around 16 July 1386.[3] His executors are listed[4] as John Harewell; John Bryngton; John Grene, of Welles, canon; John de Tuttebury, in 1399 (1 Henry IV).
^Joyce M. Horn (1962). "Archdeacons: Berkshire". Fasti Ecclesiae Anglicanae 1300-1541: volume 3: Salisbury diocese. Institute of Historical Research. Retrieved 1 September 2013.
^Fryde, et al. Handbook of British Chronology p. 228
Fryde, E. B.; Greenway, D. E.; Porter, S.; Roy, I. (1996). Handbook of British Chronology (Third revised ed.). Cambridge: Cambridge University Press. ISBN0-521-56350-X.