Baruch the Prophet
The Prophet Baruch was the son of Nerias, and the disciple of the Prophet Jeremias ( Jer. 39:12; 43:4 LXX). The extant prophetical book that he wrote is divided into five chapters; it was composed in the fifth year of the Babylonian Captivity of the Jews during the years of Sedekias, 583 B.C. The prophetic lection that is read on the eve of the Feast of Christ's Nativity, which bears Jeremias' name, is taken from the prophecy of Baruch (Bar. 3:35-4:4). His name means "blessed."
Apolytikion of Prophet Baruch
Thou didst foretell the Lord's divine Incarnation when thou didst cry out to the whole world, O Prophet: This is our God, there shall be none compared to Him; He was seen upon the earth, being born of a Virgin: He hath shone upon our souls the divine light of knowledge. And He doth grant salvation unto all who sing thy praise, O divinely-inspired Baruch.
Kontakion of Prophet Baruch
As thou was vouchsafed the shining rays of prophecy, thou also wast bound to Jeremias as his friend, and foretoldest of the Word's self-abasement for our refashioning, O all-lauded Prophet Baruch. Entreat Him to save us all, who honour thee.