Judges 9:16

Now therefore, if ye have done truly and sincerely, in that ye have made Abimelech king, and if ye have dealt well with Jerubbaal and his house, and have done unto him according to the deserving of his hands;

Cross-references

Judges 9:23 shows the divine judgment — an evil spirit dividing Abimelech and Shechem — that follows from the lack of integrity Jotham questions.

Judges 8:35 records Israel's failure to show kindness to Gideon's house, which Jotham here uses as grounds for questioning their good faith.