Gustave Louis Chaix d'Est-Ange died in 1876.
Louis Gustave Vapereau died in 1906.
Louis Gustave Ricard died in 1873.
Louis Gustave Binger died in 1936.
Henri Chaix died on June 11, 1999, in Geneva, Switzerland.
Gustave Cabaret died in 1917.
Gustave Loehr died in 1918.
Gustave Lazard died in 1949.
Gustave Fayet died in 1925.
Gustave Strauven died in 1919.
Gustave Lussi died in 1993.
Gustave Lefrançais died in 1901.
Gustave d'Eichthal died in 1886.