1 Kings 2:5-6
Moreover, you know what Joab son of Zeruiah did to me—what he did to Abner son of Ner and Amasa son of Jether, the two commanders of the armies of Israel. He killed them in peacetime to avenge the blood of war. He stained with the blood of war the belt around his waist and the sandals on his feet. / So act according to your wisdom, and do not let his gray head go down to Sheol in peace.

2 Samuel 19:13
And say to Amasa, ‘Aren’t you my flesh and blood? May God punish me, and ever so severely, if from now on you are not the commander of my army in place of Joab!’”

1 Chronicles 2:16-17
Their sisters were Zeruiah and Abigail. And the three sons of Zeruiah were Abishai, Joab, and Asahel. / Abigail was the mother of Amasa, whose father was Jether the Ishmaelite.

2 Samuel 3:30
(Joab and his brother Abishai murdered Abner because he had killed their brother Asahel in the battle at Gibeon.)

2 Samuel 2:18-23
The three sons of Zeruiah were there: Joab, Abishai, and Asahel. Now Asahel was fleet of foot like a wild gazelle, / and he chased Abner, not turning to the right or to the left in his pursuit. / And Abner glanced back and said, “Is that you, Asahel?” “It is,” Asahel replied. ...

2 Samuel 18:2
He sent out the troops, a third under Joab, a third under Joab’s brother Abishai son of Zeruiah, and a third under Ittai the Gittite. And the king said to the troops, “I will surely march out with you as well.”

2 Samuel 17:25
Absalom had appointed Amasa over the army in place of Joab. Amasa was the son of a man named Ithra, the Ishmaelite who had married Abigail, the daughter of Nahash and sister of Zeruiah the mother of Joab.

1 Kings 1:7-8
So Adonijah conferred with Joab son of Zeruiah and with Abiathar the priest, who supported him. / But Zadok the priest, Benaiah son of Jehoiada, Nathan the prophet, Shimei, Rei, and David’s mighty men would not join Adonijah.

1 Kings 2:28-34
When the news reached Joab, who had conspired with Adonijah but not with Absalom, he fled to the tent of the LORD and took hold of the horns of the altar. / It was reported to King Solomon: “Joab has fled to the tent of the LORD and is now beside the altar.” So Solomon sent Benaiah son of Jehoiada, saying, “Go, strike him down!” / And Benaiah entered the tent of the LORD and said to Joab, “The king says, ‘Come out!’” But Joab replied, “No, I will die here.” So Benaiah relayed the message to the king, saying, “This is how Joab answered me.” ...

2 Samuel 8:16
Joab son of Zeruiah was over the army; Jehoshaphat son of Ahilud was the recorder;

2 Samuel 23:18-19
Now Abishai, the brother of Joab and son of Zeruiah, was chief of the Three, and he wielded his spear against three hundred men, killed them, and won a name along with the Three. / Was he not more honored than the Three? And he became their commander, even though he was not included among the Three.

1 Chronicles 11:20-21
Now Abishai, the brother of Joab, was chief of the Three, and he wielded his spear against three hundred men, killed them, and won a name along with the Three. / He was doubly honored above the Three, and he became their commander, even though he was not included among the Three.

1 Kings 2:32
The LORD will bring his bloodshed back upon his own head, for without the knowledge of my father David he struck down two men more righteous and better than he when he put to the sword Abner son of Ner, commander of Israel’s army, and Amasa son of Jether, commander of Judah’s army.

2 Samuel 15:19-22
Then the king said to Ittai the Gittite, “Why should you also go with us? Go back and stay with the new king, since you are both a foreigner and an exile from your homeland. / In fact, you arrived only yesterday; should I make you wander around with us today while I do not know where I am going? Go back and take your brothers with you. May the LORD show you loving devotion and faithfulness.” / But Ittai answered the king, “As surely as the LORD lives, and as my lord the king lives, wherever my lord the king may be, whether it means life or death, there will your servant be!” ...

2 Samuel 16:9-10
Then Abishai son of Zeruiah said to the king, “Why should this dead dog curse my lord the king? Let me go over and cut off his head!” / But the king replied, “What have I to do with you, O sons of Zeruiah? If he curses me because the LORD told him, ‘Curse David,’ who can ask, ‘Why did you do this?’”