. . . . . "C39, V24, Spa31"@en . . . "1890-06-13"^^ . "Sous-Lieutenant Fran\u00E7ois Portron was a World War I flying ace credited with five aerial victories."@en . "France"@en . . "Fran\u00E7ois Portron"@en . "1973-01-21"^^ . . . "Lusignan, France"@en . . . "Flying service"@en . . "Sous-Lieutenant Fran\u00E7ois Portron was a World War I flying ace credited with five aerial victories."@en . . . "Fran\u00E7ois Portron"@en . "Lusignan, France"@en . .