Contradiction with Matthew 13:55
Questions Jesus's divine nature by referring to him as Joseph's son, thereby contradicting the acknowledgment of Him as the Son of God in John 1:49.
Matthew 13:55: Is not this the carpenter's son? is not his mother called Mary? and his brethren, James, and Joses, and Simon, and Judas?
Contradiction with John 7:5
Indicates that even Jesus's own brothers did not believe in Him, which contrasts with Nathanael's affirmation of Jesus as the Son of God in John 1:49.
John 7:5: For neither did his brethren believe in him.
Contradiction with Mark 6:4
Suggests that a prophet is without honor in his own country, questioning the open recognition and belief expressed in John 1:49.
Mark 6:4: But Jesus said unto them, A prophet is not without honour, but in his own country, and among his own kin, and in his own house.
Contradiction with Luke 4:22
Questions Jesus's identity by asking, "Is not this Joseph's son?" which contrasts with the recognition of divine sonship in John 1:49.
Luke 4:22: And all bare him witness, and wondered at the gracious words which proceeded out of his mouth. And they said, Is not this Joseph's son?