Duarte I De Aviz & Leonor D' Aragon 
Duarte I De and Leonor D' were married in a religious ceremony on November 2nd, 1428 in Coimbra, Portugal. They had two sons and two daughters, named Afonso V De, Fernando De, Leonor De and Joana De.
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Personal Details
Duarte I De Aviz
Duarte I De was born on October 31st, 1391 in Viseu, Portugal. He died at the age of 46 on September 9th, 1438 in Tomar, Santarbem, Portugal. He was buried in Mosterio de Batalha, Leiria, Portugal.
Leonor D' Aragon
Leonor D' was born about February 1st, 1409 in Barcelona. She died on February 28th, 1443 in Toledo, Spain (other stated date of death is 2/19/1445).
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Children
Afonso V De Aviz
Afonso V De was born on January 15th, 1432. He died at the age of 49 on August 28th, 1481.
Fernando De Aviz
Fernando De was born on November 17th, 1433 in Almeirim, Portugal. He died at the age of 36 on September 18th, 1470 in Setubal, Portugal.
Leonor De Aviz
Leonor De was born on September 18th, 1434 in Torres Novas, Portugal. She died at the age of 32 on September 3rd, 1467 in Wiener Neustadt.
Joana De Aviz
Joana De was born on March 20th, 1439 in Monte Oliveto, Almada, Portugal. She died at the age of 36 on June 13th, 1475 in Madrid, Spain.