2 Samuel 4:8

Matthew 2:20

"Rise from sleep, and take the child and His mother, and go into the land of Israel, for those who were seeking the child's life are dead."

Luke 18:7-8

And will not God avenge the wrongs of His own People who cry aloud to Him day and night, although He seems slow in taking action on their behalf?

And now in loud voices they cried out, saying, "How long, O Sovereign Lord, the holy One and the true, dost Thou delay judgment and the taking of vengeance upon the inhabitants of the earth for our blood?"

Revelation 18:20

Rejoice over her, O Heaven, and you saints and Apostles and Prophets; for God has taken vengeance upon her because of you."

Treasury of Scripture Knowledge

Summary

2 Samuel 4:8

And they brought the head of Ishbosheth unto David to Hebron, and said to the king, Behold the head of Ishbosheth the son of Saul thine enemy, which sought thy life; and the LORD hath avenged my lord the king this day of Saul, and of his seed.