Maria Leopoldina was born on 22 January 1797 at the Hofburg Palace in Vienna,Saxe-Bragança, Dom Carlos Tasso de. Imperatriz Dona Leopoldina – Sua presença nos jornais de Viena e sua renúncia à coroa imperial da Áustria (in Portuguese). Archduchy of Austria. She was the sixth (but third surviving) child of Francis II, Holy Roman Emperor (who from 1804, became Emperor of Austria with the title of Francis I, because Napoleon Bonaparte demanded that he renounce the title of Holy Roman Emperor when he was crowned Emperor of the French) but the fifth (third surviving) child and fourth (second surviving) daughter born from his second marriage with Maria Theresa of Naples and Sicily. Her paternal grandparents were Leopold II, Holy Roman Emperor and Maria Luisa of Bourbon, Infanta of Spain and her maternal grandparents were King Ferdinand IV & III of Naples and Sicily (later King Ferdinand I of the Two Sicilies) and Archduchess Maria Carolina of Austria. Through both parents (who are double first-cousins), Maria Leopoldina was descended from the House of Habsburg-Lorraine (one of the oldest and most powerful dynasties in Europe, which reigned over Austria from 1282 to 1918, among other territories that reigned and was the oldest reigning house in Europe at the time of Maria Leopoldina's birth) and from the House of Bourbon (a royal dynasty who at the time of her birth reigned over Spain, Naples, Sicily and Parma; the main branch of the family, who reigned in France since 1589, was dethroned after the French Revolution in 1792 but briefly restored during 1814–1830).
