2 Samuel 10:16

10:16 Then Hadadezer sent for Arameans from beyond the Euphrates River, and they came to Helam. Shobach, the general in command of Hadadezer’s army, led them.

2 Samuel 20:8

20:8 When they were near the big rock that is in Gibeon, Amasa came to them. Now Joab was dressed in military attire and had a dagger in its sheath belted to his waist. When he advanced, it fell out.