Mr Louise Gustave Joseph Lesueur was born in Normandy the son of Cyr Casimir Lesueur and Héloise Sophie Mélanie Bouts. 

By June 1910 he was working for Thomas Cardeza and he was listed as travelling to New York on board the SS George Washington with Cardeza and his wife Marie. 

He travelled on Titanic with the Cardeza party, Thomas, Charlotte Drake Cardeza and her maid Annie Moore Ward. The group were rescued on lifebaot 3.

Lesueur served in the French army in World War One and was married to Alexandrine Vasseur on July 1 1918.  It is understood he worked as n interpreter and a personal manager after the war. 

Sadly, it is thought he committed suicide in January 1939. His body was found hanged in the woods outside Petit Quevilly.