Judges 9:17-18

17for my father fought for you, and 1risked his life and saved you from the hand of Midian;

18but in fact you have risen against my father’s house today and have killed 2his sons, seventy men, on one stone, and have made Abimelech, 3the son of his female slave, king over the 4leaders of Shechem, because he is your relative--