Numerous Old Testament prophecies foretell humanity's savior, especially in Isaiah. The virgin Mary gave birth to Jesus who was raised by Joseph, a carpenter by trade. Not much is known of his youth from his teen yrs. to the start of his ministry.
John the Baptist prophecies about the messiah - John 1:19-34
A missing Jesus found in the temple - Luke 2:41-52
19. Now Jesus' mother and brothers came to see him, but they were not able to get near him because of the crowd.
20. Someone told him, "Your mother and brothers are standing outside, wanting to see you."
21. He replied, "My mother and brothers are those who hear God's word and put it into practice."