 Constantine the Jew

Constantine the Jew (c. 850 – 26 December, after 886) was a Byzantine Christian monk and evangelist venerated as a saint within his monastic milieu and in Constantinople.Born to a Jewish family in Synada, Constantine excelled at Hebrew and the Old Testament from a young age.He was said to have been converted to Christianity as a youth by the power of the sign of the cross, which he had made in spontaneous imitation of a Christian merchant.