Pedro III De Braganza & Maria I De Braganza 
They had a son named Joao VI De.
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Personal Details
Maria I De Braganza
Maria I De was born on December 17th, 1734 in Lisbon, Portugal. She died at the age of 81 on March 20th, 1816 in Rio de Janeiro.
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Children
Joao VI De Braganza
Joao VI De was born on May 13th, 1767 in Royal Palace d'Ajuda, Lisbon, Portugal. He died at the age of 58 on March 10th, 1826 in Royal Palace of Bemposa, Lisbon, Portugal.