Maria Anna of Austria

Maria Anna of Austria (Maria Anna Josepha Antonia Regina; 7 September 1683 – 14 August 1754) was Queen of Portugal as the wife of King John V of Portugal. She served as the regent of Portugal from 1742 until 1750 during the illness of her husband. She was born an Archduchess of Austria as the daughter of Leopold I, Holy Roman Emperor and Eleonore Magdalene of Neuburg.