John Gruber was born on 19 December 1942. He was American national and known as Actor.
Jonathan Gruber was born on 30 September 1965. He was American national and known as economist.
Karl Gruber was born on 03 May 1909. He was Austrian national and known as Politician.
Franz Gruber was born on 25 November 1787. He was Austrian national and known as .
