2 Samuel 10:6

Overview - 2 Samuel 10
1	David's messengers, sent to comfort Hanun the son of Nahash, are villanously treated.
6	The Ammonites, strengthened by the Syrians, are overcome by Joab and Abishai.
15	Shobach, making a new supply of the Syrians at Helam, is slain by David.

2 Samuel 10:6  (King James Version)
And when the children of Ammon saw that they stank before David, the children of Ammon sent and hired the Syrians of Bethrehob, and the Syrians of Zoba, twenty thousand footmen, and of king Maacah a thousand men, and of Ishtob twelve thousand men.