Judges 9:56 KJV
Thus God rendered the wickedness of Abimelech, which he did unto his father, in slaying his seventy brethren:
Judges 9:56, King James Version
In context
55 And when the men of Israel saw that Abimelech was dead, they departed every man unto his place.
56 Thus God rendered the wickedness of Abimelech, which he did unto his father, in slaying his seventy brethren:
57 And all the evil of the men of Shechem did God render upon their heads: and upon them came the curse of Jotham the son of Jerubbaal.