NET
19 When Hadadezer’s subjects saw they were defeated by Israel, they made peace with David and became his subjects. The Arameans were no longer willing to help the Ammonites.
Darby
19 And the servants of Hadarezer saw that they were routed before Israel, and they made peace with David, and became his servants. And the Syrians would no more help the children of Ammon.
KJV
19 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.