The Tree of Europe · Person
Isabella of Portugal
A consort of the House of Aviz. Her life was associated with Burgundy and Portugal.

This complete profile is available in English. Bibliographic titles retain their original language. Links marked ES open the Spanish edition.
Key details
Birth: 1397 Documented
Death: 1471 Documented
Role: Consort
Dynasty: Aviz
Territories: Burgundy (ES) · Portugal (ES)
Recorded relationships
Parents
John I of PortugalDocumentedPhilippa of Lancaster · ESDocumented
Partners
Philip III of BurgundyPending review
Children
Sources for this profile
Biographical and contextual references in their original language. Sources and methodology.
Evidence for this profile
5 recorded claims · 1 without a claim-specific source. Context references do not by themselves verify every fact.
Dates (2/2 with a precise source)
- BirthDocumented
1397
The authority record gives the birth as 1397. - DeathDocumented
1471
The authority record gives the death as 1471.
Family and relationships (2/3 with a precise source)
- FatherDocumented
John I of Portugal
The authority record identifies John I of Portugal (GND 100948170) as father. - MotherDocumented
Philippa of Lancaster
The authority record identifies Philippa of Lancaster (GND 1050303687) as mother. - Marriage or partnershipPending review
Philip III of Burgundy
A precise source has not yet been added.
Biographical and contextual references (1)
Editorial history
- 2026-10-12 · Claim registry added; existing historical data kept. Specific sourcing remains to be reviewed.
- 2026-10-08 · Claim registry added; existing historical data kept. Specific sourcing remains to be reviewed.
- 2026-10-04 · Claim registry added; existing historical data kept. Specific sourcing remains to be reviewed.
- 2026-10-04 · Claim registry added; existing historical data kept. Specific sourcing remains to be reviewed.
- 2026-10-03 · Claim registry added; existing historical data kept. Specific sourcing remains to be reviewed.
- 2026-09-30 · The duchy is limited to Dijon and Autun; each other fief now enters the map only under its dated ruler. John III of Namur and the Nevers/Rethel branch were added. The previous shape combined later counties and unrelated lands as if all belonged to the duchy from 1363.
- 2026-09-28 · Claim registry added; existing historical data kept. Specific sourcing remains to be reviewed.
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Family
John I of Portugal“of Good Memory”King of Portugal1357 – 1433Philippa of Lancaster · ESConsort1360 – 1415
Philip III of Burgundy“the Good”Duke1396 – 1467
Charles I of Burgundy“the Bold”Duke1433 – 1477Same dynasty
Isabella of Coimbra · ESConsort1432 – 1455John of Portugal · ESConstable1400 – 1442Peter of Portugal · ESDuke1392 – 1449
Eleanor of Portugal · ESConsort1434 – 1467Ferdinand of Portugal · ESDuke1433 – 1470
Edward of Portugal“the Eloquent”King of Portugal1391 – 1438In their lifetime
Maximilian I“the Last Knight”Holy Roman Emperor1459 – 1519
Philip II of Burgundy“the Bold”Duke1342 – 1404
Margaret III of FlandersCountess / Duchess consort1350 – 1405
John I of Burgundy“the Fearless”Duke1371 – 1419
Manuel I of Portugal“the Fortunate”King of Portugal1469 – 1521
Edward of Portugal“the Eloquent”King of Portugal1391 – 1438