Contradiction with Genesis 46:27
This verse lists seventy people coming to Egypt with Jacob, while Stephen in Acts 7:14 mentions seventy-five, showing a difference in numbers.
Genesis 46:27: And the sons of Joseph, which were born him in Egypt, [were] two souls: all the souls of the house of Jacob, which came into Egypt, [were] threescore and ten.
Contradiction with Matthew 1:16
The genealogy here differs from the genealogy in Luke 3:23, showing different ancestral lines for Joseph.
Matthew 1:16: And Jacob begat Joseph the husband of Mary, of whom was born Jesus, who is called Christ.
Contradiction with 2 Samuel 24:1
God incites David to take a census, while in 1 Chronicles 21:1, it is Satan who incites David, showing a contradiction in source.
2 Samuel 24:1: And again the anger of the LORD was kindled against Israel, and he moved David against them to say, Go, number Israel and Judah.
Contradiction with Exodus 20:5
God punishes children for the sins of the parents, whereas Ezekiel 18:20 says children will not bear the iniquity of the parent, an example of thematic contradiction regarding sin and punishment.
Exodus 20:5: Thou shalt not bow down thyself to them, nor serve them: for I the LORD thy God [am] a jealous God, visiting the iniquity of the fathers upon the children unto the third and fourth [generation] of them that hate me;