LLANDEVAND, a chapelry in the parish of LLANMARTIN, lower division of the hundred of CALDICOTT, county of MONMOUTH. The population is returned with the parish. The living is a perpetual curacy, in the archdeaconry and diocese of Llandaff, endowed with £800 royal bounty, and in the patronage of the Prebendary of Warthacwm in the Cathedral Church of Llandaff.- The chapel is in a state of dilapidation.