João de PortugalAge: 42 years1400–1442
- Name
- João de Portugal
| Birth | January 13, 1400 42 39 |
| Death of a mother | Philippa of Lancaster July 19, 1415 (Age 15 years) |
| Death of a father | João I. de Portugal August 14, 1422 (Age 22 years) |
| Marriage | Isabella de Barcelos — View this family marriage to his half-niece, 1 son and 3 daughters 1424 (Age 23 years) |
| Birth of a daughter #1 | Isabella de Portugal 1428 (Age 27 years) |
| Birth of a daughter #2 | Beatriz de Portugal June 13, 1430 (Age 30 years) |
| Death of a father | João I. de Portugal August 14, 1433 (Age 33 years) |
| Death of a brother | Eduard I. de Portugal September 9, 1438 (Age 38 years) |
| Death of a half-sister | Beatriz de Portugal October 23, 1439 (Age 39 years) |
| Occupation | infante (prince), Constable |
| Death | October 18, 1442 (Age 42 years) |
| Family with parents |
| father |
João I. de Portugal Birth: April 11, 1357 37 27 — Lisboa, Portugal Death: August 14, 1433 — Lisboa, Portugal |
| mother |
Philippa of Lancaster Birth: March 31, 1360 20 18 — Leicester, Leicestershire, England Death: July 19, 1415 — Sacavém, Portugal |
|
Marriage: February 1387 — |
|
|
10 years elder sister |
Isabel de Portugal Birth: February 21, 1397 39 36 — Évora Death: December 17, 1471 — Dijon, Cantal, Auvergne, France |
|
-5 years elder brother |
Eduard I. de Portugal Birth: October 31, 1391 34 31 Death: September 9, 1438 |
|
2 years elder brother |
Henrique o Navegador de Avis Birth: March 4, 1394 36 33 — Porto, Castelo Branco, Portugal Death: November 13, 1460 — Sagres, Faro, Portugal |
|
6 years himself |
João de Portugal Birth: January 13, 1400 42 39 Death: October 18, 1442 |
| Father’s family with Inês Peres |
| father |
João I. de Portugal Birth: April 11, 1357 37 27 — Lisboa, Portugal Death: August 14, 1433 — Lisboa, Portugal |
| step-mother |
Inês Peres Birth: estimated a gap of 25 years — about 1352 |
|
Marriage: — |
|
| half-brother |
Afonso de Barcelos Birth: August 10, 1377 — Veiros, Estremoz, Alentejo, Death: December 15, 1461 |
|
9 years half-sister |
Beatriz de Portugal Birth: 1386 28 34 Death: October 23, 1439 |
| Family with Isabella de Barcelos |
| himself |
João de Portugal Birth: January 13, 1400 42 39 Death: October 18, 1442 |
| wife |
Isabella de Barcelos Birth: estimated as equal to husband's birth year — about 1400 22 20 |
|
Marriage: 1424 — |
|
|
6 years daughter |
Beatriz de Portugal Birth: June 13, 1430 30 30 Death: September 30, 1506 |
|
-17 months daughter |
Isabella de Portugal Birth: 1428 27 28 Death: 1496 |