Judges 8:30

“Speak, now, in the hearing of all the lords of Shechem, ‘Which is better for you, that seventy men, all the sons of Jerubbaal, rule over you, or that one man rule over you?’ Also, remember that I am your bone and your flesh.”

Then he came to his father’s house at Ophrah and killed his brothers the sons of Jerubbaal, seventy men, on one stone. But Jotham the youngest son of Jerubbaal was left, for he hid himself.

but you have risen against my father’s house today and have killed his sons, seventy men, on one stone, and have made Abimelech, the son of his maidservant, king over the lords of Shechem, because he is your relative—