Contradiction with John 3:3
This verse speaks about being "born again," which focuses on spiritual rebirth through the Spirit, implying that natural birth does matter for one's entrance into the kingdom of God, whereas John 1:13 emphasizes birth not by natural means.
John 3:3: Jesus answered and said unto him, Verily, verily, I say unto thee, Except a man be born again, he cannot see the kingdom of God. [again: or, from above]
Contradiction with 1 Peter 1:23
Highlights being born again through "the word of God," emphasizing a different source of rebirth from what's stated in John 1:13.
1 Peter 1:23: Being born again, not of corruptible seed, but of incorruptible, by the word of God, which liveth and abideth for ever.
Contradiction with Galatians 4:22-23
Describes the birth of Isaac as a child of promise versus Ishmael born according to the flesh, suggesting that natural descent has significance, contrasting with John 1:13's message against natural or human effort playing a role.
Galatians 4:22-23: For it is written, that Abraham had two sons, the one by a bondmaid, the other by a freewoman.