Empress Eira I of Austria
Her Imperial Majesty Empress Eira I of Austria
Empress Eira Mathilde Regine Amalia of Austria (born 4 May 1991) is the first child and only daughter of Emperor Joseph III and Empress Kirstina of Austria. She ascended the Austrian throne on 4 March 2015 following the death of her father, Emperor Joseph III. She is only the third Empress Regnant in Austrian history.