Maria of Portugal, Duchess of Viseu

Maria of Portugal
Duchess of Viseu
Portrait by Anthonis Mor (c. 1550–1555)
Born	18 June 1521 Lisbon, Kingdom of Portugal
Died	10 October 1577(1577-10-10) (aged 56) Lisbon, Kingdom of Portugal
Burial	Church of Our Lady of Luz, Lisbon
House	Aviz
Father	Manuel I of Portugal
Mother	Eleanor of Austria

Maria of Portugal, Duchess of Viseu (18 June 1521 – 10 October 1577; Portuguese pronunciation: [mɐˈɾiɐ]) was an Infanta of Portugal, the only daughter of King Manuel I of Portugal and Eleanor of Austria. A noted patron of the arts and buildings, Maria's personal wealth rivaled that of her half-brother, King John III of Portugal, making her the richest woman in Portugal and one of the wealthiest princesses in Europe.