It was Louis XVIII the brother of Louis XVI who took over the rule in France during Napoleon's exile in 1815.
France after 1815
After Napoleon abdicated as emperor in March 1814, Louis XVIII, the brother of Louis XVI, was installed as king and France was granted a quite generous peace settlement, restored to its 1792 boundaries and not required to pay war indemnity.
On becoming king, Louis issued a constitution known as the Charter which preserved many of the liberties won during the French Revolution and provided for a parliament composed of an elected Chamber of Deputies and a Chamber of Peers that was nominated by the king.
A constitution, the Charter of 1814, was drafted; it presented all Frenchmen as equal before the law, but retained substantial prerogative for the king and nobility and limited voting to those paying at least 300 francs a year in direct taxes.
this was the state of france during his exile.
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