in order that the crime against the seventy sons of Jerubbaal might come to justice and their blood be avenged on their brother Abimelech and on the leaders of Shechem, who had helped him murder his brothers.
Jewish Publication Society of America Version (JPS1917) - Judges 9:24 >that the violence done to the threescore and ten sons of Jerubbaal might come, and that their blood might be laid upon Abimelech their brother, who slew them, and upon the men of Shechem, who strengthened his hands to slay his brethren.