And when the Syrians saw that they were defeated before Israel, they sent messengers, and brought forth the Syrians that were beyond the river: and Shophach the captain of the army of Hadadezer went before them.
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George Leo Haydock
River, in Mesopotamia. Joab did not allow them time to arrive.
Sophach, or Sobac. Adarezer sent also to collect these forces, 2 Kings.