This Bible contradiction is from the Skeptic's Annotated Bible.

Verses

Amnon, Chileab, Absalom, Adonijah, Shephatiah, Ithream.

2 Samuel 3:2-5 View context

And unto David were sons born in Hebron: and his firstborn was Amnon, of Ahinoam the Jezreelitess; And his second, Chileab, of Abigail the wife of Nabal the Carmelite; and the third, Absalom the son of Maacah the daughter of Talmai king of Geshur; And the fourth, Adonijah the son of Haggith; and the fifth, Shephatiah the son of Abital; And the sixth, Ithream, by Eglah David's wife. These were born to David in Hebron.

Amnon, Daniel, Absalom, Adonijah, Shephatiah, Ithream.

1 Chronicles 3:1-4 View context

Now these were the sons of David, which were born unto him in Hebron; the firstborn Amnon, of Ahinoam the Jezreelitess; the second Daniel, of Abigail the Carmelitess: The third, Absalom the son of Maachah the daughter of Talmai king of Geshur: the fourth, Adonijah the son of Haggith: The fifth, Shephatiah of Abital: the sixth, Ithream by Eglah his wife. These six were born unto him in Hebron.