1 Kings 12:18

And he sent them to Lebanon, 10,000 a month in shifts; they were in Lebanon a month and two months at home. And Adoniram was over the forced laborers.

Then Rehoboam went to Shechem, for all Israel had come to Shechem to make him king.

“Now as for you, son of man, take for yourself one stick and write on it, ‘For Judah and for the sons of Israel, his companions’; then take another stick and write on it, ‘For Joseph, the stick of Ephraim and all the house of Israel, his companions.’