2 Chronicles 21:4
When Jehoram had ascended the throne of his father and was established, he killed all his brothers with the sword, and also some of the princes of Israel.
Judges 9:5
And he went to his father's house at Ophrah and killed his brothers the sons of Jerubbaal, seventy men, on one stone. But Jotham the youngest son of Jerubbaal was left, for he hid himself.
Genesis 4:8
Cain spoke to Abel his brother. And when they were in the field, Cain rose up against his brother Abel and killed him.
2 Chronicles 21:17
And they came up against Judah and invaded it and carried away all the possessions they found that belonged to the king's house, and also his sons and his wives, so that no son was left to him except Jehoahaz, his youngest son.
2 Chronicles 22:10
Now when Athaliah the mother of Ahaziah saw that her son was dead, she arose and destroyed all the royal family of the house of Judah.
Judges 9:56-57
Thus God returned the evil of Abimelech, which he committed against his father in killing his seventy brothers.
2 Chronicles 22:8
And when Jehu was executing judgment on the house of Ahab, he met the princes of Judah and the sons of Ahaziah's brothers, who attended Ahaziah, and he killed them.
1 John 3:12
We should not be like Cain, who was of the evil one and murdered his brother. And why did he murder him? Because his own deeds were evil and his brother's righteous.