High Quality Content by WIKIPEDIA articles! Jean Joseph Guieu, also Jean Guyeux, (30 September 1758 - 5 October 1817) joined the French royal army and quickly rose in rank during the French Revolutionary Wars. He fought in the War of the Pyrenees against Spain and became a general officer. After transferring to Italy, he held important commands under Napoleon Bonaparte in the Italian campaign of 1796-1797. He retired from the army in 1803 and his surname is one of the Names inscribed under the Arc de Triomphe.