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Male Duarte I King of Portugal Click to view Duarte I King of Portugal in the family tree

Duarte I King of was born on October 31st, 1391 in Viseu,Portugal.  Duarte I King of's father was Joao I King of Portugal and his mother was Philippa of Lancaster.  His paternal grandparents were Pedro I El Justiciero  Rei de Portugal & Algarve and Teresa Gille Lourenço; his maternal grandparents were John "Of Gaunt" of England Duke of Lancaster and Blanche Plantagenet of Lancaster. He had a brother and a sister, named Joao of and Isabel of. He had a half-brother named Affonso De.  He died at the age of 46 on September 9th, 1438.


Duarte I King of's family with Leonora of Aragón

They had a son and a daughter, named Fernando (Duque de Beja) of and Eleanor de.

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