Abimelech the son of Jerubbaal went to Shechem to his mother's brothers, and spoke with them, and with all the family of the house of his mother's father, saying,
(6) Although the capture of Shechem is not mentioned in Joshua, it was nevertheless possessed by Israel, because it was at those twin mountains of Shechem, Gerizim and Ebal just south of the city (Mount Ephraim was on the north), that Joshua gave his farewell address to Israel.  And it was there that the Law was read, and the people were pledged to obey Jehovah  (Joshua 8:33).