What was full name Francois Marie Arovet De Voltaire?

François Marie Arouet de Voltaire was not a real person.

The name you provided is a combination of François Marie Arouet, the real name of the famous French writer and philosopher Voltaire, and a fabricated name "Arovet".

Voltaire was the pen name adopted by François Marie Arouet (1694-1778) for his literary and philosophical works.