- Diogo of Portugal
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Portuguese royalty
House of AvisJohn I Children Edward I Peter, Duke of Coimbra Henry the Navigator Isabella, Duchess of Burgundy John, Lord of Reguengos de Monsaraz Ferdinand the Saint Prince Grandchildren include Isabella, Queen of Portugal Edward Children Afonso V Ferdinand, Duke of Viseu Eleanor, Holy Roman Empress Catherine Joan, Queen of Castile Grandchildren include Manuel I Eleanor, Queen of Portugal Isabella, Duchess of Braganza Great-Grandchildren include James, Duke of Braganza, Prince of Portugal Afonso V Children include John, Prince of Portugal Joan, Princess of Portugal John II John II Afonso, Prince of Portugal Diogo of Portugal (1425–1443) was a Portuguese infante, son of John, Lord of Reguengos de Monsaraz, infante of Portugal, and of his wife (and niece) Isabella of Braganza. Through his father Diogo was grandson of king John I of Portugal and through his mother he was grandson of Alphonse, first duke of Braganza.
Following his father's death (1442) he received the title of Constable of Portugal, and was also elected, in 24 January 1443, as 11th. Master of the Order of Santiago.
This was one of the causes of the quarrel between the regent infante Pedro, Duke of Coimbra and his half-brother Afonso, Duke of Braganza, once Afonso wanted the Constable position to his own son.
Diogo died unmarried later the same year, without issue.
Ancestry
16. Afonso IV of Portugal 8. Peter I of Portugal (=#24) 17. Beatrice of Castile 4. John I of Portugal 18. Lourenço Martins 9. Teresa Lourenço (=#25) 19. Sancha Martins 2. John, Lord of Reguengos de Monsaraz 20. Edward III of England 10. John of Gaunt, 1st Duke of Lancaster 21. Philippa of Hainault 5. Philippa of Lancaster 22. Henry of Grosmont, 1st Duke of Lancaster 11. Blanche of Lancaster 23. Isabel de Beaumont 1. Isabella of Portugal 24. Peter I of Portugal (=#8) 12. John I of Portugal 25. Teresa Lourenço (=#9) 6. Afonso, 1st Duke of Braganza 26. Pero Esteves, o Barbadão 13. Inês Pires 27. Maria Anes 3. Isabella of Braganza 28. Álvaro Gonçalves Pereira, Prior of Crato 14. Nuno Álvares Pereira 29. Iria Gonçalves do Carvalhal 7. Beatriz Pereira de Alvim 30. João Pires de Alvim 15. Leonor de Alvim 31. Branca Pires Coelho External links
Bibliography
"Nobreza de Portugal e do Brasil" – Vol. I, page 297. Published by Zairol Lda., Lisbon 1989.
Infantes of Portugal The generations indicate descent form Afonso I, and continues through the House of Aviz, the House of Bourbon through Isabella of Portugal, and the House of Braganza through Infanta Catherine, Duchess of Braganza.1st Generation 2nd Generation Infante Raimundo • Afonso II • Infante Pedro, Count of Urgell • Infante Fernando, Count of Flanders • Infante Henrique3rd Generation 4th Generation 5th Generation Infante Afonso, Lord of Leiria • Afonso IV6th Generation 7th Generation Infante Luís • Ferdinand I • Infante Afonso • Infante João, Duke of Valencia de Campos • Infante Dinis, Lord of Cifuentes8th Generation Infante Pedro • Infante Afonso • Infante Afonso • Edward I • Infante Pedro, 1st Duke of Coimbra • Infante Henrique, 1st Duke of Viseu • Infante João, Lord of Reguengos de Monsaraz • Infante Fernando, the Saint Prince9th Generation Infante Miguel^ • Infante Diogo, Constable of Portugal • Infante João • Peter V, King of Aragon • Infante João, Prince of Antioch • Afonso V • Cardinal-Infante Jaime • Infante Fernando, 2nd Duke of Viseu • Infante Duarte10th Generation Infante João, 3rd Duke of Viseu • Infante Diogo, 4th Duke of Viseu • João, Prince of Portugal • John II • Infante Duarte • Infante Diniz • Infante Simião • Infante Afonso • Manuel I11th Generation Afonso, Prince of Portugal • Infante João • Miguel da Paz, Prince of Portugal and Asturias^ • John III • Infante Luís, 5th Duke of Beja • Infante Fernando, Duke of Guarda and Trancoso • Cardinal-Infante Afonso • Henry, The Cardinal-King • Infante Duarte, 4th Duke of Guimarães • Infante António • Infante Carlos12th Generation Afonso, Prince of Portugal • Manuel, Prince of Portugal • Filipe, Prince of Portugal • Infante Dinis • John Manuel, Prince of Portugal • Infante António13th Generation 14th Generation 15th Generation Balthasar Charles, Prince of Portugal and Asturias* • Infante Francisco Fernando* • Teodósio, 1st Prince of Brazil • Afonso VI • Peter II16th Generation João, 3rd Prince of Brazil • John V • Infante Francisco, 7th Duke of Beja • Infante António • Infante Manuel, Count of Ourém •17th Generation 18th Generation none19th Generation 20th Generation Francisco António, 8th Prince of Beira • Peter I of Brazil & IV of Portugal • Miguel I • Infante Pedro Carlos* • Infante Carlos José Antonio*21st Generation 22nd Generation Pedro V • Luís I • Infante João, 8th Duke of Beja • Infante Fernando • Infante Augusto, 3rd Duke of Coimbra • Infante Leopoldo • Infante Eugénio Maria • Infante Miguel, 6th Duke of Viseu • Infante Francisco José • Infante Duarte Nuno, 25th Duke of Braganza23rd Generation Carlos I • Afonso, Prince Royal and 3rd Duke of Porto • Infante Duarte Pio, Duke of Braganza • Infante Miguel, Duke of Viseu • Infante Henrique, Duke of Coimbra24th Generation Luís Filipe, Prince Royal • Manuel II • Infante Dinis, Duke of Porto • Infante Afonso, Prince of Beira •^also an infante of Castile and León, Aragon, Sicily and Naples, *also an infante of Spain, **claimant infante, ^^only prince or infante by marriageAncestors of Diogo of Portugal 16. Afonso IV of Portugal 8. Peter I of Portugal (=#24) 17. Beatrice of Castile 4. John I of Portugal 18. Lourenço Martins 9. Teresa Lourenço (=#25) 19. Sancha Martins 2. John, Lord of Reguengos de Monsaraz 20. Edward III of England 10. John of Gaunt, 1st Duke of Lancaster 21. Philippa of Hainault 5. Philippa of Lancaster 22. Henry of Grosmont, 1st Duke of Lancaster 11. Blanche of Lancaster 23. Isabel de Beaumont 1. Diogo of Portugal 24. Peter I of Portugal (=#8) 12. John I of Portugal 25. Teresa Lourenço (=#9) 6. Afonso, 1st Duke of Braganza 26. Pero Esteves, o Barbadão 13. Inês Pires 27. Maria Anes 3. Isabella of Braganza 28. Álvaro Gonçalves Pereira, Prior of Crato 14. Nuno Álvares Pereira 29. Iria Gonçalves do Carvalhal 7. Beatriz Pereira de Alvim 30. João Pires de Alvim 15. Leonor de Alvim 31. Branca Pires Coelho Categories:- Portuguese infantes
- House of Aviz
- 1425 births
- 1443 deaths
- Portuguese royalty stubs
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