Isabella of Portugal, Lady of Viseu
Portuguese noble · Lived 1364 to 1435 · aged 71
Isabella of Portugal was the natural daughter of King Ferdinand I of Portugal, from an unknown mother.
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A typical day, 30 days to 19 August 2026
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Though, it was rumored at the time that her mother was none other than the king's half-sister, Beatrice, Countess of Albuquerque, with whom he was said to have had an incestuous relationship according to the chronicler Fernão Lopes.