2 Kings 10:1; 2 Kings 10:6
Now there were in Samaria seventy sons of the house of Ahab. So Jehu wrote letters and sent them to Samaria: to the officials of Jezreel, to the elders and to the guardians of Ahab's children. He said,
Then Jehu wrote them a second letter, saying, "If you are on my side and will obey me, take the heads of your master's sons and come to me in Jezreel by this time tomorrow." Now the royal princes, seventy of them, were with the leading men of the city, who were rearing them.