1 Kings 2:5

Moreover you know also what Joab the son of Zeruiah did to me, and what he did to the two captains of the armies of Israel, unto Abner the son of Ner, and unto Amasa the son of Jether, whom he slew, and shed the blood of war in peace, and put the blood of war upon his belt that was about his loins, and in his shoes that were on his feet.

2 Samuel 3:27

And when Abner had returned to Hebron, Joab took him aside in the gate to speak with him quietly, and struck him there under the fifth rib, so that he died, for the blood of Asahel his brother.

2 Samuel 20:10

But Amasa took no heed to the sword that was in Joab's hand: so he struck him with it in the fifth rib, and shed out his entrails to the ground, and struck him not again; and he died. So Joab and Abishai his brother pursued after Sheba the son of Bichri.

2 Samuel 18:5

And the king commanded Joab and Abishai and Ittai, saying, Deal gently for my sake with the young man, even with Absalom. And all the people heard when the king gave all the captains the charge concerning Absalom.

2 Samuel 18:12

And the man said unto Joab, Though I should receive a thousand shekels of silver in my hand, yet would I not put forth my hand against the king's son: for in our hearing the king charged you and Abishai and Ittai, saying, Beware that none touch the young man Absalom.

2 Samuel 3:39

And I am this day weak, though anointed king; and these men the sons of Zeruiah are too hard for me: the LORD shall reward the doer of evil according to his wickedness.

2 Samuel 18:14

Then said Joab, I cannot tarry thus with you. And he took three spears in his hand, and thrust them through the heart of Absalom, while he was yet alive in the midst of the oak.

2 Samuel 2:18

And there were three sons of Zeruiah there, Joab, and Abishai, and Asahel: and Asahel was as light of foot as a wild roe.

2 Samuel 17:25

And Absalom made Amasa captain of the host instead of Joab: which Amasa was a man's son, whose name was Ithra an Israelite, that went in to Abigail the daughter of Nahash, sister to Zeruiah Joab's mother.

2 Samuel 19:5-7

And Joab came into the house to the king, and said, You have shamed this day the faces of all your servants, who this day have saved your life, and the lives of your sons and of your daughters, and the lives of your wives, and the lives of your concubines;

1 Kings 1:7

And he conferred with Joab the son of Zeruiah, and with Abiathar the priest: and they following Adonijah helped him.

1 Kings 1:18-19

And now, behold, Adonijah reigns; and now, my lord the king, you know it not:

1 Kings 2:32

And the LORD shall return his blood upon his own head, who struck down two men more righteous and better than he, and slew them with the sword, my father David not knowing of it, Abner the son of Ner, captain of the army of Israel, and Amasa the son of Jether, captain of the army of Judah.

Jeremiah 2:34

Also on your skirts is found the blood of the souls of the poor innocents: I have not found it by secret search, but plainly upon all these things.

Jeremiah 6:15

Were they ashamed when they had committed abomination? nay, they were not at all ashamed, neither could they blush: therefore they shall fall among them that fall: at the time that I punish them they shall be cast down, says the LORD.

Ezekiel 24:7-8

For her blood is in the midst of her; she set it upon the top of a rock; she poured it not upon the ground, to cover it with dust;

Treasury of Scripture Knowledge

Summary

Moreover thou knowest also what Joab the son of Zeruiah did to me, and what he did to the two captains of the hosts of Israel, unto Abner the son of Ner, and unto Amasa the son of Jether, whom he slew, and shed the blood of war in peace, and put the blood of war upon his girdle that was about his loins, and in his shoes that were on his feet.

General references

Bible References

Joab

1 Kings 1:7
And he conferred with Joab the son of Zeruiah, and with Abiathar the priest: and they following Adonijah helped him.
2 Samuel 3:39
And I am this day weak, though anointed king; and these men the sons of Zeruiah are too hard for me: the LORD shall reward the doer of evil according to his wickedness.
2 Samuel 18:5
And the king commanded Joab and Abishai and Ittai, saying, Deal gently for my sake with the young man, even with Absalom. And all the people heard when the king gave all the captains the charge concerning Absalom.
2 Samuel 19:5
And Joab came into the house to the king, and said, You have shamed this day the faces of all your servants, who this day have saved your life, and the lives of your sons and of your daughters, and the lives of your wives, and the lives of your concubines;

Abner

2 Samuel 3:27
And when Abner had returned to Hebron, Joab took him aside in the gate to speak with him quietly, and struck him there under the fifth rib, so that he died, for the blood of Asahel his brother.

Put

Jeremiah 2:34
Also on your skirts is found the blood of the souls of the poor innocents: I have not found it by secret search, but plainly upon all these things.
Jeremiah 6:15
Were they ashamed when they had committed abomination? nay, they were not at all ashamed, neither could they blush: therefore they shall fall among them that fall: at the time that I punish them they shall be cast down, says the LORD.
Ezekiel 24:7
For her blood is in the midst of her; she set it upon the top of a rock; she poured it not upon the ground, to cover it with dust;

General references

Deuteronomy 19:12
Then the elders of his city shall send and bring him from there, and deliver him into the hand of the avenger of blood, that he may die.