Archduchess Isabella Clara of Austria Austrian archruchess (1629-1685) (1629–1685) Parents Claudia de' Medici Leopold V, Archduke of Austria Children Ferdinando Carlo Gonzaga, Duke of Mantua and Montferrat Siblings Sigismund Francis, Archduke of Austria Maria Leopoldine of Austria Ferdinand Charles, Archduke of Austria Vittoria della Rovere Maria Eleonora Erzherzogin von Österreich Partners Carlo Bulgarini Charles II Gonzaga, Duke of Mantua and Montferrat