Contradiction with 2 Samuel 17:25
This verse states that Abigail is the daughter of Nahash, whereas 1 Chronicles 2:17 states that she is the daughter of Jesse.
2 Samuel 17:25: And Absalom made Amasa captain of the host instead of Joab: which Amasa [was] a man's son, whose name [was] Ithra an Israelite, that went in to Abigail the daughter of Nahash, sister to Zeruiah Joab's mother. [Ithra an Israelite: or, Jether an Ishmaelite] [Abigail: Heb. Abigal] [Nahash: or, Jesse]