How old was Betty Bird in Viennese love affairs?

Georg AlexanderGeorg Alexander was 42 in Viennese love affairs as 'Georg'.

Birthday: Tue, Apr 03 1888 –
Tue, Oct 30 1945

Betty BirdBetty Bird was 29 in Viennese love affairs as 'Gretel'.

Birthday: Tue, Jun 18 1901 –
Wed, Mar 04 1998

Fritz SpiraFritz Spira was 53 in Viennese love affairs as 'Bankier Müller'.

Birthday: Wed, Aug 01 1877 –
Fri, Jan 01 1943

Robert LandRobert Land was 43 in Viennese love affairs as 'Director'

Birthday: Wed, Jul 13 1887 –
Sat, Nov 09 1940