Most Relevant Verses
Then said he unto Zebah and Zalmunna, What manner of men were they whom you slew at Tabor? And they answered, As you are, so were they; each one resembled the children of a king. And he said, They were my brethren, even the sons of my mother: as the LORD lives, if you had saved them alive, I would not slay you.
And he went unto his father's house at Ophrah, and slew his brethren the sons of Jerubbaal, being threescore and ten persons, upon one stone: nevertheless yet Jotham the youngest son of Jerubbaal was left; for he hid himself.
And you are risen up against my father's house this day, and have slain his sons, threescore and ten persons, upon one stone, and have made Abimelech, the son of his maidservant, king over the men of Shechem, because he is your brother;)
Now the brother shall betray the brother to death, and the father the son; and children shall rise up against their parents, and shall cause them to be put to death.