Genesis 4:8
Then Cain said to his brother Abel, "Let us go out to the field." And while they were in the field, Cain rose up against his brother Abel and killed him.

1 Samuel 18:17, 21
Then Saul said to David, "Here is my oldest daughter Merab. I will give her to you in marriage. Only be valiant for me and fight the LORD's battles." But Saul was thinking, "I need not raise my hand against him; let the hand of the Philistines be against him." . . .

2 Samuel 3:27
When Abner returned to Hebron, Joab pulled him aside into the gateway, as if to speak to him privately, and there Joab stabbed him in the stomach. So Abner died on account of the blood of Joab's brother Asahel.

2 Samuel 13:22-28
And Absalom never said a word to Amnon, either good or bad, because he hated Amnon for disgracing his sister Tamar. . . .

Psalm 55:21-23
His speech is smooth as butter, but war is in his heart. His words are softer than oil, yet they are swords unsheathed. . . .