Second Book of Kings (Author Compiled by Isaias from records of Samuel, David, Nathan, and Gad.)
10:6And the children of Ammon seeing that they had done an injury to David, sent and hired the Syrians of Rohob, and the Syrians of Soba, twenty thousand footmen, and of the king of Maacha a thousand men, and of Istob twelve thousand men.
Original from Project Gutenberg - Massive cleanup of OCR problems and editing done locally.