King James Version
And when the servants of Hadarezer saw that they were put to the worse before Israel, they made peace with David, and became his servants: neither would the Syrians help the children of Ammon any more.English Standard Version
And when the servants of Hadadezer saw that they had been defeated by Israel, they made peace with David and became subject to him. So the Syrians were not willing to save the Ammonites any more.New International Version
When the vassals of Hadadezer saw that they had been defeated by Israel, they made peace with David and became subject to him. So the Arameans were not willing to help the Ammonites anymore.