2 Samuel 10:16
And Hadarezer sent, and brought out the Syrians that were beyond the river: and they came to Helam; and Shobach the captain of the host of Hadarezer went before them.
Cross-reference
2 Samuel 8:3–8
Historical context
In 2 Samuel 8:3-8, David had already defeated Hadadezer and captured his chariots—this shows the ongoing conflict with the same king.
1 Chronicles 18:3
Parallel
In 1 Chronicles 18:3, the same victory over Hadadezer is recorded—a parallel account of David's earlier campaign.
1 Chronicles 18:5
Parallel
In 1 Chronicles 18:5, the Syrians of Damascus help Hadadezer, just as here—a parallel description of the same battle.
1 Chronicles 19:16
Parallel
In 1 Chronicles 19:16, the identical account of the Syrians gathering reinforcements appears—a direct parallel.