Mary Anne of Austria (September 7 1683 ,Linz - August 14 1754, Lisbon) Archduchess of Austria and Queen consort of Portugal. She was born "Maria Anna Josepha", the daughter of Leopold I, Holy Roman Emperor and Eleonore-Magdalena of Pfalz-Neuburg. Mary Anne was sister of the emperors Joseph I and Charles VI. On October 27 1708 she married John V of Portugal and became thus Queen consort of Portugal. Wikipedia
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