Gustave Jéquier was born in 1868.
Gustave Fraipont was born in 1849.
Gustave Strauven was born in 1878.
Gustave Lussi was born in 1898.
Gustave Lefrançais was born in 1826.
Gustave d'Eichthal was born in 1804.
Gustave Beauverd was born in 1867.
Gustave Michel was born in 1851.
Gustave Guillaume was born in 1883.
Gustave Gagnon was born in 1842.
Gustave Biéler was born in 1904.
Gustave Loehr was born in 1864.
Gustave Glotz was born in 1862.