New Revised Standard Version
This happened so that the violence done to the seventy sons of Jerubbaal might be avenged and their blood be laid on their brother Abimelech, who killed them, and on the lords of Shechem, who strengthened his hands to kill his brothers.

New American Bible
This was to repay the violence done to the seventy sons of Jerubbaal and to avenge their blood upon their brother Abimelech, who killed them, and upon the lords of Shechem, who encouraged him to kill his brothers.

Douay-Rheims Bible
And to lay the crime of the murder of the seventy sons of Jerobaal, and the shedding of their blood, upon Abimelech, their brother, and upon the rest of the princes of the Sichemites, who aided him.

And to lay the crime of the murder of the seventy sons of Jerobaal, and the shedding of their blood, upon Abimelech, their brother, and upon the rest of the princes of the Sichemites, who aided him.

that the

1 Samuel 15:33 And Samuel said: As thy sword hath made women childless, so shall thy mother be childless among women. And Samuel hewed him in pieces before the Lord in Galgal.

1 Kings 2:32 And the Lord shall return his blood upon his own head; because he murdered two men, just and better than himself: and slew them with the sword, my father, David, not knowing it; Abner, the son of Ner, general of the army of Israel, and Amasa, the son of Jether general of the army of Juda;

Esther 9:25 And afterwards Esther went in to the king, beseeching him that his endeavors might be made void by the king's letters: and the evil that he had intended against the Jews, might return upon his own head. And so both he and his sons were hanged upon gibbets.

Psalm 7:16 His sorrow shall be turned on his own head: and his iniquity shall come down upon his crown.

Matthew 23:34-36 Therefore behold I send to you prophets and wise men and scribes: and some of them you will put to death and crucify: and some you will scourge in your synagogues and persecute from city to city. . . .

aided him in the killing of Heb.