Parallel
Judges 9:5
Brenton's English Septuagint · Berean Standard Bible
And he went to the house of his father to Ephratha, and slew his brethren the sons of Jerobaal, seventy men upon one stone; but Joatham the youngest son of Jerobaal was left, for he hid himself.
He went to his father’s house in Ophrah, and on one stone murdered his seventy brothers, the sons of Jerubbaal. But Jotham, the youngest son of Jerubbaal, survived, because he hid himself.