This Bible contradiction is from the Skeptic's Annotated Bible.
2 Samuel 12:15 View context
And Nathan departed unto his house. And the LORD struck the child that Uriah's wife bare unto David, and it was very sick.
1 Chronicles 3:5 View context
And these were born unto him in Jerusalem; Shimea, and Shobab, and Nathan, and Solomon, four, of Bath-shua the daughter of Ammiel: