4 And Jehoram riseth up over the kingdom of his father, and strengtheneth himself, and slayeth all his brethren with the sword, and also—of the heads of Israel.
2 Chronicles 21:4 Cross References - YLT
Genesis 4:8
8 And Cain saith unto Abel his brother, `Let us go into the field;' and it cometh to pass in their being in the field, that Cain riseth up against Abel his brother, and slayeth him.
Judges 9:5
5 and he goeth into the house of his father at Ophrah, and slayeth his brethren, sons of Jerubbaal, seventy men, on one stone; and Jotham, youngest son of Jerubbaal, is left, for he was hidden.
Judges 9:56-57
2 Chronicles 21:17
17 and they come up into Judah, and rend it, and take captive all the substance that is found at the house of the king, and also his sons, and his wives, and there hath not been left to him a son except Jehoahaz the youngest of his sons.
2 Chronicles 22:8
8 And it cometh to pass, in Jehu's executing judgment with the house of Ahab, that he findeth the heads of Judah and sons of the brethren of Ahaziah, ministers of Ahaziah, and slayeth them.
2 Chronicles 22:10
10 And Athaliah mother of Ahaziah hath seen that her son is dead, and she riseth and destroyeth the whole seed of the kingdom of the house of Judah.
1 John 3:12
12 not as Cain—of the evil one he was, and he did slay his brother, and wherefore did he slay him? because his works were evil, and those of his brother righteous.