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Male Duarte I. Aviz, de Click to view Duarte I. Aviz, de in the family tree View timeline for this person's branch of the family tree

Duarte I. was born in 1391 in Viseu.  Duarte I.'s father was Joao I. "the False" Aviz, de and his mother was Philippa Plantagenet.  His paternal grandfather was Pedro I. "O Rigoroso" Portugal, de and his paternal grandmother is Teresa Gille Lourenco; his maternal grandparents were John of Gaunt Plantagenet and Blanche of Lancaster Plantagenet. He had five brothers and three sisters, named Affonso, Pedro, Henrique 'le Navigateur', Joao, Fernando "the Blessed", Branca, Isabella and Branca.  He was the third oldest of the nine children. He had a half-brother and two half-sisters, named Affonso I., Branca and Brites.  He died at the age of 47 on September 9th, 1438 in Thomar.  He was buried in Batalla.

Family Details of Duarte I.'s family with Leonor Aragon, d'

Family Details of Duarte I.'s family with Juana Manuel Torre, de la