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Alfonso I, king of Portugal

(Encyclopedia)Alfonso I, 1109?–1185, first king of Portugal, son of Henry of Burgundy. After his father's death (1112), his mother, Countess Teresa, ruled the county of Portugal with the help of her Spanish lover...

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 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...

Alfonso IV, king of Portugal

(Encyclopedia)Alfonso IV, 1291–1357, king of Portugal (1325–57), son and successor of Diniz. Disgruntled by the favoritism his father showed toward Alfonso's illegitimate half-brothers, Alfonso rose in revolt i...

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...

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...

Louis I, king of Portugal

(Encyclopedia)Louis I, 1838–89, king of Portugal (1861–89), son of Maria II and Ferdinand II. He succeeded to the throne on the death of his brother Peter V. His reign was marked by much political turmoil and b...

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 ...

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...

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...