1 Kings 16:9-12

9And his servant Zimri, captain of half his chariots, conspired against him: now he was in Tirzah, drinking himself drunk in the house of Arza, which was over the household in Tirzah:

10and Zimri went in and smote him, and killed him, in the twenty and seventh year of Asa king of Judah, and reigned in his stead.

11And it came to pass, when he began to reign, as soon as he sat on his throne, that he smote all the house of Baasha: he left him not a single man child, neither of his kinsfolks, nor of his friends.

12Thus did Zimri destroy all the house of Baasha, according to the word of the LORD, which he spake against Baasha by Jehu the prophet,