2 Kings 10:6
King James Version
“Then he wrote a letter the second time to them, saying, If ye mine, and ye will hearken unto my voice, take ye the heads of the men your master’s sons, and come to me to Jezreel by to morrow this time. Now the king’s sons, seventy persons, with the great men of the city, which brought them up.”
Context
3Look even out the best and meetest of your master’s sons, and set on his father’s throne, and fight for your master’s house.
4But they were exceedingly afraid, and said, Behold, two kings stood not before him: how then shall we stand?
5And he that over the house, and he that over the city, the elders also, and the bringers up sent to Jehu, saying, We are thy servants, and will do all that thou shalt bid us; we will not make any king: do thou good in thine eyes.
6Then he wrote a letter the second time to them, saying, If ye mine, and ye will hearken unto my voice, take ye the heads of the men your master’s sons, and come to me to Jezreel by to morrow this time. Now the king’s sons, seventy persons, with the great men of the city, which brought them up.
7And it came to pass, when the letter came to them, that they took the king’s sons, and slew seventy persons, and put their heads in baskets, and sent him to Jezreel.
8And there came a messenger, and told him, saying, They have brought the heads of the king’s sons. And he said, Lay ye them in two heaps at the entering in of the gate until the morning.
9And it came to pass in the morning, that he went out, and stood, and said to all the people, Ye righteous: behold, I conspired against my master, and slew him: but who slew all these?