1 Chronicles 11:20
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 Samuel 26:6
David said to Ahimelech the Hittite, and to Joab's brother Abishai, Zeruiah's son, "Who will go down with me to Saul in the camp?" Abishai said, "I'll go down with you."
2 Samuel 2:18
Zeruiah's three sons Joab, Abishai, and Asahel were there. As a runner, Asahel was fast, like one of the wild gazelles.
2 Samuel 3:30
He said this because Joab and his brother Abishai murdered Abner after he had killed their brother Asahel in the battle at Gibeon.
2 Samuel 18:2
Dividing his forces into three groups, he set Joab as commander of one third of his army, Zeruiah's son Abishai, Joab's brother, as commander of another third, and Ittai from Gath as commander of another third. The king informed the army, "I'm going out to battle with you, too."
2 Samuel 20:6
So David told Abishai, "Now Bichri's son Sheba is about to do more damage than did Absalom. So take my personal guards and go after them. Otherwise, he'll run to one of the fortified cities and escape from us."
2 Samuel 21:17
But Zeruiah's son Abishai came to David's aid, attacked the Philistine, and killed him. After this, David's army told him, "You're not going out anymore with us to battle, so Israel's beacon won't be extinguished!"
2 Samuel 23:18-39
Zeruiah's son Abishai, Joab's brother, 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 2:16
along with their sisters Zeruiah and Abigail.