3 When the brothers repeated all this to the citizens of Shechem, they were inclined to follow Abimelek, for they said, “He is related to us.”

Read Judges 9:3 Using Other Translations

And his mother's brethren spake of him in the ears of all the men of Shechem all these words: and their hearts inclined to follow Abimelech; for they said, He is our brother.
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."
So Abimelech’s uncles gave his message to all the citizens of Shechem on his behalf. And after listening to this proposal, the people of Shechem decided in favor of Abimelech because he was their relative.