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João I
1383 - 1433

King João was Pedro's bastard son, and became king on the death of Fernando. With his accession, the hatred that had arisen through the many wrongs and crimes that Fernando's negligence had allowed burst out into anger, and the people rose, spreading havoc. Fernando's wife, Queen Leonor, found her lover, the Count of Ourem, killed before her eyes, and many others perished, including the Bishop of Lisbon. The unrest provoked Leonor to call upon King Juan I of Castile for help to establish her daughter, Beatriz (Juan's wife), on the throne. Juan rose to take the throne, and João, supported by the valiant Nuno Alvares Pereira, set out to meet him. João was supported by the famous knight Mem Vasques de Vasconcelos, and Antão Vasques de Almada, who later became Count of Avranches. Battle was joined in mid August, and Joao won. Lusiads p. 102-110
João was the bastard son of Pedro and Ines de Castro (TPS says of Pedro and Teresa Lourenço), and master of the Order of Avis. In his battle with Juan, João also had the powerful English ally John of Gaunt. When the armies met at the field of Aljubarrota, a company of English archers in the small Portuguese army made a major contribution to João's crushing victory. [In fact, the archers were not led by John of Gaunt, who turned up later - see PQI pp. 23-27]. João's election by the cortes was confirmed, and his friendship with John of Gaunt was cemented by his marriage to John's daughter, Phillipa of Lancaster. A treaty was signed with England which established the longest-lived alliance in history. MRW p.200
Philippa bore João six sons. The eldest died in infancy. The second, born in 1391, was Duarte, the philosophical man of letters who succeeded João. The third, born in 1392 was Dom Pedro, the traveler. TPS p.78
Prince Henry the Navigator, Master of the Order of Christ, was the fourth son, and his voyages of discovery extended through João's reign. About Prince Henry
The fifth son, born six years later, became the Master of the Order of Santiago, and the sixth, Dom Fernando, died as a captive of the Moors. Isabel, the only daughter who survived, formed through her patronage after her marriage to the Duke of Burgundy, a link between the painters of the Low Countries and the Portuguese schools of art. It was to paint her portrait that Jan van Eyck first came to Lisbon. TPS p.78
Portugal under João was more tolerant of different religions than the rest of the peninsula at the time. Unconverted Moors were the main artisans and stonecarvers, and the Jews were bankers, financiers and physicians, and also merchants. Although many Moors formed a slave class, and the Jews were confined to the Juderia after curfew, religious and racial hatreds had hardly reached Portugal. The Jews retained their own courts and tribunals, and held offices of responsibility under the crown. The Polytriptych of St. Vincent, painted in the mid fifteenth century by Nuno Gonçalves, shows the grand rabbi of Lisbon, with an open torah in his hands, joining King Afonso, Prince Henry and other dignitaries in adoring Lisbon's patron saint. TPS p.80
João died in 1433 and was succeeded by his first son, Duarte.

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