1 Kings 12:22-24
22-24At this time the word of God came to Shemaiah, a man of God: "Tell this to Rehoboam son of Solomon king of Judah, along with everyone in Judah and Benjamin and anyone else who is around: This is God's word: Don't march out; don't fight against your brothers the Israelites; go back home, every last one of you; I'm in charge here." And they did it; they did what God said and went home.
25Jeroboam made a fort at Shechem in the hills of Ephraim, and made that his headquarters. He also built a fort at Penuel.