Yes the female version of the name is Gustava. The female version was pretty popular in Sweden in the 19th century.
There is no direct feminine equivalent for the name Gustav. However, the name Gustava or Gustavia could be considered as feminine variations.
The name "Annee" is feminine.
The feminine equivalent of "lad" is "lass."
CountessThe feminine version of "count" is "countess". Rather than "Count [last name]", it is "Countess [last name]".
Yes, Francoise is the feminine form of the name François.
The French name for Belgium in the masculine form is "le Belgique" and in the feminine form it is "la Belgique".
Gustav Gavrin's birth name is Gustav Schwarz.
Gustav Jonsson's birth name is Gustav Robert Jonsson.
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.
Jack Gustav's birth name is Gernot Gustav Fraydl.
I would suggest the middle name "Hans" for Gustav. It has a strong, classic sound that complements the traditional feel of Gustav.
Gustav Winckler's birth name is Gustav Frands Wilzeck Winckler.
Gustav Wiklund's birth name is Gustav Adolf Fingal Wiklund.
Gustav Knuth's birth name is Gustav Adolf Karl Friedrich Knuth.