Then he went and sent to Jehoshaphat king of Judah, saying, "The king of Moab has rebelled against me. Will you go with me to fight against Moab?" And he said, "I will go up; I am as you are, my people as your people, my horses as your horses."
2 Kings 3:7
Surrounding context
3:6 So King Jehoram went out of Samaria at that time and mustered all Israel.
3:7 Then he went and sent to Jehoshaphat king of Judah, saying, "The king of Moab has rebelled against me. Will you go with me to fight against Moab?" And he said, "I will go up; I am as you are, my people as your people, my horses as your horses."
3:8 Then he said, "Which way shall we go up?" And he answered, "By way of the Wilderness of Edom."