Marriages and Descendants
John I married in Porto on 2 February 1387 Philippa of Lancaster, daughter of John of Gaunt, 1st Duke of Lancaster and Blanche of Lancaster. From that marriage were born several famous princes and princesses of Portugal (infantes) that became known as the Illustrious Generation (Portuguese: Ínclita Geração).
| Name | Birth | Death | Notes |
|---|---|---|---|
| By Philippa of Lancaster (1359– 19 July 1415; married on 2 February 1387) | |||
| Infanta Blanche | 13 July 1388 | 6 March 1389 | |
| Infante Afonso | 30 July 1390 | 22 December 1400 | |
| King Edward | 31 October 1391 | 13 September 1438 | Who succeeded him as King of Portugal. |
| Infante Peter | 9 December 1392 | 20 May 1449 | Duke of Coimbra. Died in the Battle of Alfarrobeira. |
| Infante Henry | 4 March 1394 | 13 November 1460 | Known as Henry the Navigator. Duke of Viseu and Grand-Master of the Order of Christ. |
| Infanta Isabella | 21 February 1397 | 11 December 1471 | Duchess Consort of Burgundy by marriage to Philip III, Duke of Burgundy. |
| Infanta Blanche | 11 April 1398 | 27 July 1398 | |
| Infante John | 13 January 1400 | 18 October 1442 | Constable of the Kingdom and grandfather of Isabella I of Castile. |
| Infante Ferdinand | 29 September 1402 | 5 June 1443 | Grand Master of the Order of Aviz. Died in captivity in Fes, Morocco. |
| By Inês Peres (c. 1350–1400?) | |||
| Afonso | 10 August 1377 | 15 December 1461 | Natural son and 1st Duke of Braganza. |
| Branca | 1378 | 1379 | Natural daughter. |
| Beatrice | c. 1382 | 25 October 1439 | Natural daughter. Countess of Arundel by marriage to Thomas Fitzalan, 12th Earl of Arundel. Countess of Huntingdon by marriage to John Holland, 2nd Earl of Huntingdon, later Duke of Exeter. |
Read more about this topic: John I Of Portugal
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