Judges 9:24

9:24 He did this so the violent deaths of Jerub-Baal’s seventy sons might be avenged and Abimelech, their half-brother who murdered them, might have to pay for their spilled blood, along with the leaders of Shechem who helped him murder them.

Judges 9:56-57

9:56 God repaid Abimelech for the evil he did to his father by murdering his seventy half-brothers. 9:57 God also repaid the men of Shechem for their evil deeds. The curse spoken by Jotham son of Jerub-Baal fell on them.