How old was Léon Duvelleroy in La Maison vide?

Pierre AlcoverPierre Alcover was 28 in La Maison vide

Birthday: Tue, Mar 14 1893 –
Sun, Nov 10 1957

Jacques RousselJacques Roussel was 20 in La Maison vide

Birthday: Wed, Feb 06 1901 –
Mon, Jan 03 1966

Henri DebainHenri Debain was 35 in La Maison vide

Birthday: Tue, Aug 03 1886 –
Tue, Sep 25 1984

Andrée BrabantAndrée Brabant was 20 in La Maison vide

Birthday: Thu, May 23 1901 –
Thu, Nov 02 1989

Léon DuvelleroyLéon Duvelleroy was >> in La Maison vide

Birthday: Unknown Birthday

Marie MontbazonMarie Montbazon was 62 in La Maison vide

Birthday: Sat, Jan 29 1859 –
Wed, Oct 18 1922

Raymond BernardRaymond Bernard was 30 in La Maison vide as 'Director, Writer'

Birthday: Sat, Oct 10 1891 –
Mon, Dec 12 1977