Joana was born in Vila Viçosa on 18 September 1635. Her father created her Princess of Beira, a title subsequently used by the eldest daughter of the monarch.
She died unmarried in Lisbon at the age of 18 on 17 November 1653. She was first buried at the Monastery of Jerónimos and then moved to the Monastery of São Vicente de Fora.
Generations indicate descent from Afonso, Duke of Braganza, founder of the House of Braganza, until João II, Duke of Braganza, the first Braganza monarch of Portugal; italics indicate a head of the House
Generations indicate descent from John IV, King of Portugal, formerly John II, Duke of Braganza, the first Braganza monarch of Portugal, until Manuel II, King of Portugal, the last monarch of Portugal, excluding the Miguelist line; italics indicate a head of the House
* also an infanta of Spain and an archduchess of Austria,** also an imperial princess of Brazil,*** also a princess of Saxe-Coburg and Gotha, Duchess in Saxony,◙ Also a princess of Braganza,ƒ title of pretense
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