"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 ...
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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." - (en.wikipedia.org 03.10.2020)
