1 Chronicles 19:6-8

Young's Literal Translation

⁶ And the sons of Ammon see that they have made themselves abhorred by David, and Hanun and the sons of Ammon send a thousand talents of silver, to hire to them, from Aram-Naharaim, and from Aram-Maachah, and from Zobah, chariots and horsemen;

⁷ and they hire to them two and thirty thousand chariots, and the king of Maachah and his people, and they come in and encamp before Medeba, and the sons of Ammon have been gathered out of their cities, and come in to the battle.

⁸ And David heareth, and sendeth Joab, and all the host of the mighty men,