Marriage and Descendants
| Name | Birth | Death | Notes |
|---|---|---|---|
| Blanca of Castile (c. 1315–1375; married in 1325; annulled in 1333) | |||
| Constance of Penafiel (c. 1320–1345; married in 24 August 1339) | |||
| Infante Luís (Louis) | 1340 | 1340 | |
| Infanta Maria | 6 April 1342 | a. 1367 | Marchioness Consort of Tortosa by marriage to Infante Fernando of Aragon, Marquis of Tortosa. |
| Infante Fernando (Ferdinand) | 31 October 1345 | 22 October 1383 | Succeeded him as Ferdinand I, 9th King of Portugal. |
| By Inês de Castro (c. 1325–1355; possibly married in 1354) | |||
| Afonso | 1346 | 1346 | Died shortly after his birth. |
| Infanta Beatriz (Beatrice) | 1347 | 1381 | Countess Consort of Alburquerque by marriage to Sancho of Castile, Count of Alburquerque y Haro. |
| Infante João (John) | 1349 | 1397 | Lord of Porto de Mós, Seia and Montelongo, and also Duke of Valencia de Campos. Claimant to the throne during the 1383-1385 Crisis. |
| Infante Dinis, Lord of Cifuentes | 1354 | 1397 | Lord of Villar-Dompardo. And later, Cifuentes, Escalona and Alvar de Tormes. Claimant to the throne during the 1383-1385 Crisis. |
| By Teresa Lourenço (c. 1330-?) | |||
| João (John) | 11 April 1357 | 14 August 1433 | Natural son. Grand Master of the Order of Aviz. Succeeded his half-brother Ferdinand I after the 1383-1385 Crisis as John I, 10th King of Portugal, the first of the House of Aviz. |
Read more about this topic: Peter I Of Portugal
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