In the thirty-eighth year of Judah's King Azariah, Zechariah son of Jeroboam became king over Israel in Samaria for six months.
References for 2 Kings 15:8
He did what was evil in the Lord's sight as his fathers had done. He did not turn away from the sins Jeroboam son of Nebat had caused Israel to commit.
Shallum son of Jabesh conspired against Zechariah. He struck him down publicly, killed him, and became king in his place.
References for 2 Kings 15:10
As for the rest of the events of Zechariah's [reign], they are written about in the Historical Record of Israel's Kings.
The word of the Lord that He spoke to Jehu was, "Four generations of your sons will sit on the throne of Israel." And it was so.
References for 2 Kings 15:12