 The king and royal government returned to the city, and the powers of the provost of the Paris merchants were drastically reduced; until the French Revolution, it became only a symbolic office.Beginning in 1392, King Charles VI began to show increasing signs of madness.Two princes of the royal family, Louis I, Duke of Orléans, the younger brother of the king, and John the Fearless, Duke of Burgundy, began a battle for the control of Paris.