1 Kings 15:27-29

27Then Baasha son of Ahijah of the house of Issachar conspired against Nadab, and Baasha struck him down at Gibbethon of the Philistines while Nadab and all Israel were besieging the city. 28In the third year of Asa’s reign over Judah, Baasha killed Nadab and reigned in his place.

29As soon as Baasha became king, he struck down the entire household of Jeroboam. He did not leave to Jeroboam anyone who breathed, but destroyed them all according to the word that the LORD had spoken through His servant Ahijah the Shilonite,