Gustav Weidanz has written: 'Gustav Weidanz'
Gustav Hagemann has written: 'Gustav Hagemann'
Gustav Gavrin's birth name is Gustav Schwarz.
Jack Gustav's birth name is Gernot Gustav Fraydl.
Gustav Mahncke's birth name is Gustav Theodor Mahncke.
Gustav Leonhardt's birth name is Gustav Maria Leonhardt.
Gustav Sandgren's birth name is Gustav Emil Sandgren.
Gustav Esmann's birth name is Gustav Frederik Esmann.
Gustav Hintze's birth name is Gustav Hintze Holm.
Gustav Jonsson's birth name is Gustav Robert Jonsson.
Gustav Gustafson's birth name is Donald C. Gustafson Jr..
Gustav Winckler's birth name is Gustav Frands Wilzeck Winckler.