Judges 9:6

9:6 All the leaders of Shechem and Beth Millo assembled and then went and made Abimelech king by the oak near the pillar in Shechem.

Judges 9:14

9:14 “So all the trees said to the thornbush, ‘You come and be our king!’

Judges 8:31

8:31 His concubine, who lived in Shechem, also gave him a son, whom he named Abimelech.