Maurice Chevalier was born on September 12, 1888 and died on January 1, 1972. Maurice Chevalier would have been 83 years old at the time of death or 123 years old today.
Definitions of chevalier on the Web:
French actor and cabaret singer (1888-1972) cavalier: a gallant or courtly gentleman wordnet.princeton.edu/perl/webwn
Also is a knight in french in other words...