Frederick IV, Duke of Austria Duke of Further Austria (1382-1439) (1382–1439) Parents Viridis Visconti Leopold III, Duke of Austria Children Sigismund, Archduke of Austria Margaretha of Habsburg Elisabeth von Habsburg Wolfgang of Habsburg Hedwig of Habsburg Siblings Duke Wilhelm I, Duke of Austria Ernest, Duke of Austria Leopold IV, Duke of Austria Katharina von Habsburg Elisabeth von Habsburg Margarete von Habsburg Partners Anna of Brunswick-Lüneburg Elisabeth of the Palatinate
