11 putting the rest of his forces under command of his brother Abishai, who arrayed them to oppose the Ammonites.
1 Chronicles 19:11 Cross References - ISV
1 Chronicles 11:20
20 David’s Other Valiant Soldiers
Joab’s brother Abishai was the lieutenant in charge of the platoons. He used his spear to fight and kill 300 men, gaining a reputation distinct from the Three.
1 Chronicles 18:12
12 Zeruiah’s son Abishai killed 18,000 Edomites in the Salt Valley.
1 Chronicles 19:9
9 The Ammonites went out in battle formation in front of the entrance to the city while the kings who had come stayed by themselves in the open fields.