the king of Jerusalem one the king of Hebron one
That is what they did. They brought the five kings of Jerusalem, Hebron, Jarmuth, Lachish, and Eglon to Joshua out of the cave.
Therefore King Adoni-zedek of Jerusalem sent word to King Hoham of Hebron, King Piram of Jarmuth, King Japhia of Lachish, and King Debir of Eglon, saying,
the king of Jarmuth one the king of Lachish one