33 As soon as Gideon died, the people of Israel turned again and whored after the Baals and made Baal-berith their god. 34 And the people of Israel did not remember the Lord their God, who had delivered them from the hand of all their enemies on every side, 35 and they did not show steadfast love to the family of Jerubbaal (that is, Gideon) in return for all the good that he had done to Israel.
9:1 Now Abimelech the son of Jerubbaal went to Shechem to his mother's relatives and said to them and to the whole clan of his mother's family, 2 “Say in the ears of all the leaders of Shechem, ‘Which is better for you, that all seventy of the sons of Jerubbaal rule over you, or that one rule over you?’ Remember also that I am your bone and your flesh.”
3 And his mother's relatives spoke all these words on his behalf in the ears of all the leaders of Shechem, and their hearts inclined to follow Abimelech, for they said, “He is our brother.” 4 And they gave him seventy pieces of silver out of the house of Baal-berith with which Abimelech hired worthless and reckless fellows, who followed him. 5 And he went 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. 6 And all the leaders of Shechem came together, and all Beth-millo, and they went and made Abimelech king, by the oak of the pillar at Shechem.
7 When it was told to Jotham, he went and stood on top of Mount Gerizim and cried aloud and said to them, “Listen to me, you leaders of Shechem, that God may listen to you. (ESV)
16 “Now therefore, if you acted in good faith and integrity when you made Abimelech king, and if you have dealt well with Jerubbaal and his house and have done to him as his deeds deserved— 17 for my father fought for you and risked his life and delivered you from the hand of Midian, 18 and you have risen up against my father's house this day and have killed his sons, seventy men on one stone, and have made Abimelech, the son of his female servant, king over the leaders of Shechem, because he is your relative— 19 if you then have acted in good faith and integrity with Jerubbaal and with his house this day, then rejoice in Abimelech, and let him also rejoice in you. 20 But if not, let fire come out from Abimelech and devour the leaders of Shechem and Beth-millo; and let fire come out from the leaders of Shechem and from Beth-millo and devour Abimelech.” 21 And Jotham ran away and fled and went to Beer and lived there, because of Abimelech his brother.
22 Abimelech ruled over Israel three years. 23 And God sent an evil spirit between Abimelech and the leaders of Shechem, and the leaders of Shechem dealt treacherously with Abimelech, 24 that the violence done to the seventy sons of Jerubbaal might come, and their blood be laid on Abimelech their brother, who killed them, and on the men of Shechem, who strengthened his hands to kill his brothers. 25 And the leaders of Shechem put men in ambush against him on the mountaintops, and they robbed all who passed by them along that way. And it was told to Abimelech. (ESV)