i found it out Auguste Piccard is Betrand Piccard's grandfather and Jaques Piccard is Betrand's father
Jeannette Piccard died on May 17, 1981.
Jean Piccard died on 1963-01-28.
Oceanographer Jacques Piccard died in Cully Switzerland in 2008.
Oceanographer Jacques Piccard died in Cully Switzerland in 2008.
Auguste Piccard died on March 24, 1962 at the age of 78.
Jacques Piccard died on November 1, 2008 at the age of 86.
Ronny Jaques died in 2008.
Arthur Jaques died in 1915.
Jaques Surcouf died in 1934.
Emanuel Jaques died in 1977.
Elliott Jaques died in 2003.