Michael Gruber - author - was born in 1940.
Michael Gruber - actor - was born in 1964.
Michael Gruber - skier - was born in 1979.
Michael Gruber - artist - was born in 1965.
Charles Merl Michael Gruber has written: 'Handbook of treatment and medical formulary'
Andrea Gruber was born in 1966.
yes
Jonas Gruber was born in 1977.
Tanja Gruber was born in 1944.
Alex Gruber was born in 1992.
Karl Gruber was born in 1909.
Reinhard Gruber was born in 1977.
Munyo Gruber was born in 1913.