2 Kings 10:9

Then he wrote a letter the second time to them, saying, “If you are on my side, and if you will listen to my voice, take the heads of the men who are your master’s sons, and come to me to Jezreel by tomorrow this time.”

Now the king’s sons, being seventy persons, were with the great men of the city, who brought them up.

When the letter came to them, they took the king’s sons and killed them, even seventy people, and put their heads in baskets, and sent them to him to Jezreel.

A messenger came and told him, “They have brought the heads of the king’s sons.”

He said, “Lay them in two heaps at the entrance of the gate until the morning.”

Know now that nothing will fall to the earth of the LORD’s word, which the LORD spoke concerning Ahab’s house. For the LORD has done that which he spoke by his servant Elijah.”

So Jehu struck all that remained of Ahab’s house in Jezreel, with all his great men, his familiar friends, and his priests, until he left him no one remaining.

He arose and departed, and went to Samaria. As he was at the shearing house of the shepherds on the way,