Kings IV 10:6

6 And Ju wrote them a second letter, saying, If ye for me, and hearken to my voice, take the heads of the men your master's sons, and bring to me at this time to-morrow in Jezrael. Now the sons of the king were seventy men; these great men of the city brought them up.

Kings IV 10:6 In-Context

4 And they feared greatly, and said, Behold, two kings stood not before him: and how shall we stand?

5 So they that were over the house, and they that were over the city, and the elders and the guardians, sent to Ju, saying, We also thy servants, and whatsoever thou shalt say to us we will do; we will not make man king: we will do that which is right in thine eyes.

6 And Ju wrote them a second letter, saying, If ye for me, and hearken to my voice, take the heads of the men your master's sons, and bring to me at this time to-morrow in Jezrael. Now the sons of the king were seventy men; these great men of the city brought them up.

7 And it came to pass, when the letter came to them, that they took the king's sons, and slew them, seventy men, and put their heads in baskets, and sent them to him at Jezrael.

8 And a messenger came and told , saying, They have brought the heads of the king's sons. And he said, Lay them two heaps by the door of the gate until the morning.