Jasher 51:42
And Manassah the son of Joseph rose up to Simeon, and Manassah smote Simeon a heavy blow with his fist against the back of his neck, and Simeon was stilled of his rage.
And Manassah the son of Joseph rose up to Simeon, and Manassah smote Simeon a heavy blow with his fist against the back of his neck, and Simeon was stilled of his rage.