Beatriz de Aviz de Portugal was born 13 June 1430 to John, Duke of Aveiro (1400-1442) and Isabella of Braganza (1402-1465) and died 30 September 1506 of unspecified causes. She married Fernando, Duke of Viseu (1433-1470) 1447 JL .
Children
| Name | Birth | Death | Joined with |
| John of Viseu (c1456-1483) | |||
| Leonor of Viseu (1458-1525) | 2 May 1458 Beja | 17 November 1525 | João II of Portugal (1455-1495) |
| Isabella of Viseu (1459-1521) | 1459 | 1521 | Fernando II of Braganza (1430-1483) |
| Diogo of Viseu (1460-1484) | |||
| Duarte of Viseu (c1462-?) | |||
| Dinis of Viseu (c1464-?) | |||
| Catarina of Viseu (1465-) | |||
| Simão of Viseu (c1467-?) | |||
| Affonso of Viseu (c1468-?) | |||
| Manuel I of Portugal (1469-1521) | 31 May 1469 | 13 December 1521 | Isabella of Asturias (1470-1498) Maria of Aragon (1482-1517) Eleonore of Castile (1498-1558) |
Footnotes (including sources)
| ‡ General |
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