2 Kings 10:1-2

Ahab had seventy sons [and grandsons] in Samaria. So Jehu wrote letters and sent them to Samaria, to the rulers of Jezreel, to the elders, and to the guardians of the children of Ahab, saying, “Now as soon as this letter comes to you, since your master’s sons (male descendants) are with you, as well as chariots and horses and a fortified city and weapons