Charles X
The French king Louis XIV.
The French king under the French revolution was King Louis XVI. The Queen was Marie-Antoinette. They were both executed using the guillotine.
King Louis XVI was the only French King to be executed.
King Louis XVI.
King Louis XIV wasn't in the French Revolution, I think you mean King Louis XVI. He was protected by the Swiss Guards.
Louis the XIV was the French king who said "I am the state."
King Louis XVI
King Louis XIV of France.
Louis the 14th
King Louis XVI.
Louis XVI (the sixteenth / seize)
The French revolution began in 1789 and ended in 1799. The King was Louis XVI, he was executed in 1793.