Herewine was consecrated between 814 and 816 and died between 817 and 818.[1]
Citations
^Fryde, et al. Handbook of British Chronology p. 218
References
Fryde, E. B.; Greenway, D. E.; Porter, S.; Roy, I. (1996). Handbook of British Chronology (Third revised ed.). Cambridge, UK: Cambridge University Press. ISBN0-521-56350-X.