Judges 9:17-18

17(for my father fought for you, and adventured his life, and delivered you out of the hand of Midian: 18and ye 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 maid-servant, king over the men of Shechem, because he is your brother);