Joanna of Austria, Marchioness of Militello

Joanna of Austria
Born	(1573-09-11)September 11, 1573 Naples (Kingdom of Naples)
Died	February 8, 1630(1630-02-08) (aged 56) Naples (Kingdom of Naples)
Parents	John of Austria (father) Diana Falangola (mother)
Family	House of Austria

Joanna of Austria or Giovanna d'Austria (Naples, 1573–1630) was the illegitimate daughter of John of Austria, the illegitimate son of Charles V, Holy Roman Emperor.