2 Kings 15:12 in the King James Version
This was the word of the LORD which he spake unto Jehu, saying, Thy sons shall sit on the throne of Israel unto the fourth generation. And so it came to pass.
Context
11 Now the rest of the acts of Zechariah, behold, they are written in the book of the chronicles of the kings of Israel.
12 This was the LORD’s word which he spoke to Jehu, saying, “Your sons to the fourth generation shall sit on the throne of Israel.” So it came to pass.
13 Shallum the son of Jabesh began to reign in the thirty-ninth year of Uzziah king of Judah, and he reigned for a month in Samaria.