Syrian who was a Christian bishop and Patriarch of Constantinople in the early fifth century; one of the major heresies concerning the doctrine of Christ was named after him (died in 451)

(d 451) He claimed that there were two separate persons in the incarnate Christ, one divine and one human, in contrast to the Orthodox view of the single person of Christ who is at once both God and man.

Nestorius, in Greek, Νεστόριος (c. 386–c. 451) was Archbishop of Constantinople from 10 April 428 to 22 June 431. He received his clerical training as a pupil of Theodore of Mopsuestia in Antioch and gained a reputation for his sermons that led to his enthronement by Theodosius II as Archbishop following the death of Sisinnius I in 428.