2 Kings 15:12
“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.”
And Shallum the son of Jabesh conspired against him, and smote him before the people, and slew him, and reigned in his stead.
And the rest of the acts of Zachariah, behold, they are written in the book of the chronicles of the kings of Israel.
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.
Shallum the son of Jabesh began to reign in the nine and thirtieth year of Uzziah king of Judah; and he reigned a full month in Samaria.
For Menahem the son of Gadi went up from Tirzah, and came to Samaria, and smote Shallum the son of Jabesh in Samaria, and slew him, and reigned in his stead.
Why This Verse Was Tagged
This verse was identified by multiple independent signals: structural patterns, prophetic context, and vocabulary — then validated by a probability model (Snorkel).
Counter-Arguments
The strongest case that this verse does not belong in this theme.

Cross-References
“And the Lord said unto Jehu, Because thou hast done well in executing that which is right in mine eyes, and hast done unto the house of Ahab according to all that was in mine heart, thy children of the fourth generation shall sit on the throne of Israel.”
“But my words and my statutes, which I commanded my servants the prophets, did they not take hold of your fathers? and they returned and said, Like as the Lord of hosts thought to do unto us, according to our ways, and according to our doings, so hath he dealt with us.”
“In the thirty and seventh year of Joash king of Judah began Jehoash the son of Jehoahaz to reign over Israel in Samaria, and reigned sixteen years.”
“God is not a man, that he should lie; neither the son of man, that he should repent: hath he said, and shall he not do it? or hath he spoken, and shall he not make it good?”
“Men and brethren, this scripture must needs have been fulfilled, which the Holy Ghost by the mouth of David spake before concerning Judas, which was guide to them that took Jesus.”