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Ferdinand I, king of Portugal

(Encyclopedia)Ferdinand I, 1345–83, king of Portugal (1367–83), son and successor of Peter I. His ambitions and his private life plunged the realm into disaster, although during his reign agricultural reform wa...

Alfonso III, king of Portugal

(Encyclopedia)Alfonso III, 1210–79, king of Portugal (1248–79), son of Alfonso II, brother and successor of Sancho II. By his marriage with Matilda, countess of Boulogne, he became count of Boulogne and thus wa...

Peter V, king of Portugal

(Encyclopedia)Peter V, 1837–61, king of Portugal (1853–61), eldest son and successor of Maria II. Ascending the throne on the death of his mother, he ruled under the regency of his father, Ferdinand II, until 1...

John I, king of Portugal

(Encyclopedia)John I (John the Great), 1357?–1433, king of Portugal (1385–1433), illegitimate son of Peter I. He was made (1364) grand master of the Knights of Aviz and exercised his influence in opposition to ...

Alfonso II, king of Portugal

(Encyclopedia)Alfonso II (Alfonso the Fat), 1185–1223, king of Portugal (1211–23), son and successor of Sancho I. His reign was spent in struggles with the church and his brothers and sisters, to whom his fathe...

Alfonso V, king of Portugal

(Encyclopedia)Alfonso V, 1432–81, king of Portugal (1438–81), son of Duarte and Queen Leonor. During his minority there was a struggle for the regency between the queen mother and Alfonso's uncle, Dom Pedro, du...

Sancho I, king of Portugal

(Encyclopedia)Sancho I sänˈcho͞o [key], c.1154–1211, king of Portugal (1185–1211), son and successor of Alfonso I. He was associated in his father's government from c.1170. Sancho undertook to restore and re...

Peter I, king of Portugal

(Encyclopedia)Peter I, 1320–67, king of Portugal (1357–67), son and successor of Alfonso IV. He married (1336) Constance Manuel, a Castilian noblewoman, but subsequently fell in love with one of her ladies in w...

Charles I, king of Portugal

(Encyclopedia)Charles I, 1863–1908, king of Portugal (1889–1908), son and successor of Louis I. A cultured man, learned in language and oceanography, Charles had little opportunity to display his administrative...

Alfonso VI, king of Portugal

(Encyclopedia)Alfonso VI, 1643–83, king of Portugal (1656–83), son and successor of John IV. Slightly paralyzed and mentally defective, he led a dissolute youth until he came under the influence of the count of...