Thematic Bible: Abimelech, killing his seventy brothers

Then Jerubbaal's son Abimelech went to his mother's relatives in Shechem. He spoke to the entire family of his mother's father, telling them, "Ask all the "lords" of Shechem, "What's better for you? That 70 men, each of them Jerubbaal's sons, rule over you? Or that one man rule over you?' Keep in mind that I'm like your own close relative." So his mother's relatives spoke all of this on his behalf in the presence of all the "lords" of Shechem. Since they were inclined to follow Abimelech, they said, "He's our relative!" read more.
and they gave him 70 silver coins from the temple that they had built to Baal-berith. Abimelech hired some worthless and useless men, who followed him to his father's house in Ophrah. There he murdered his own brothers, Jerubbaal's sons all 70 of them in one place. But Jerubbaal's youngest son Jotham survived by hiding himself.