1 Kings 9:21-22
21
their children who were left after them in the land, whom the children of Israel were not able utterly to destroy, of them did Solomon raise a levy of bondservants to this day.
22
But of the children of Israel did Solomon make no bondservants; but they were the men of war, and his servants, and his princes, and his captains, and rulers of his chariots and of his horsemen.