Infante Diogo (1450–1484), 4th Duke of Viseu, 3rd Duke of Beja; Infanta Eleanor of Viseu (1458–1525), married to King John II of Portugal, becoming Queen of Portugal; Infanta Isabella of Viseu (1459–1521), married to Ferdinand II, Duke of Braganza; Infante Duarte of Viseu (1462–1476 or after); Infante Simão of Viseu (died in 1465/1470); Infanta Catarina of Viseu (1465–bef.1470); Infante Dinis of Viseu (1468–bef.1470); Infante Manuel (1469-1521), 5th Duke of Viseu, 4th Duke of Beja. Became King of Portugal, as Manuel I, following his cousin's (John II) death. Ancestry See also Duke of Beja Duke of Viseu List of Portuguese Dukedoms References Bibliography ”Nobreza de Portugal e do Brasil" – Vol. I, pages 311 and 312. Published by Zairol Lda., Lisbon 1989. External links Genealogy of Infante Fernando, 1st Duke of Beja and 2nd Duke of Viseu, in Portuguese 1433 births People from Almeirim 1470 deaths House of Aviz Portuguese infantes Medieval Portuguese nobility Dukes of Beja Dukes of Viseu 15th-century Portuguese people Constables of Portugal Donatários of the Azores Sons of kings