2 Chronicles 18:2-3

2 aAfter some years he went down to Ahab in Samaria. And Ahab killed an abundance of sheep and oxen for him and for the people who were with him, and induced him to go up against Ramoth-gilead. 3Ahab king of Israel said to Jehoshaphat king of Judah, “Will you go with me to Ramoth-gilead?” He answered him, “I am as you are, my people as your people. We will be with you in the war.”

Copyright information for ESV