Gustav Bartholin Hagen was born on 12 February 1873 in Copenhagen, the son of Sophus Hagen, a composer and music editor, and Serine Johanne Frederikke Klingsey.
Gustav Mahler | Hagen | Gustav Klimt | Gustav Holst | Gustav III of Sweden | Gustav I of Sweden | Uta Hagen | Gustav Meyrink | Nina Hagen | Friedrich Gustav Jakob Henle | Gustav Stresemann | Gustav Noske | Hagen im Bremischen | Gustav III | Gustav, Hereditary Prince of Sayn-Wittgenstein-Berleburg | Gustav Fischer | Daron Hagen | Hurricane Gustav | Gustav Nossal | Gustav Meier | Gustav Hertzberg | Gustav Albrecht, 5th Prince of Sayn-Wittgenstein-Berleburg | Carl I. Hagen | Phoenix Hagen | Johann Gustav Droysen | Heinrich Gustav Magnus | Gustav Stickley | Gustav Krupp von Bohlen und Halbach | Gustav Horn, Count of Pori | Gustav Fröhlich |