Afonso IV of Portugal
He took part in the victory at the Salado alongside Alfonso XI of Castile. The execution of Inês de Castro, ordered during his reign, brought him into conflict with his son Peter.

This complete profile is available in English. Bibliographic titles retain their original language. Links marked ES open the Spanish edition.
Key details
Birth: 1291 Documented
Death: 1357 Documented
Role: King of Portugal
Other recorded names: Afonso the Brave · Alfonso IV of Portugal
Dynasty: Portuguese House of Burgundy · ES
Territories: Portugal (ES)
Recorded relationships
Sources for this profile
- Deutsche Nationalbibliothek · GND authority record · Alfons IV., Portugal, König
- Real Academia de la Historia · Diccionario Biográfico español
- Encyclopaedia Britannica
Biographical and contextual references in their original language. Sources and methodology.
Evidence for this profile
6 recorded claims · 0 without a claim-specific source. Context references do not by themselves verify every fact.
Dates (2/2 with a precise source)
- BirthDocumented
1291
The authority record gives the birth as 1291. - DeathDocumented
1357
The authority record gives the death as 1357.
Family and relationships (3/3 with a precise source)
- FatherDocumented
Denis of Portugal
The authority record identifies Denis of Portugal (GND 118679732) as father. - MotherDocumented
Elizabeth of Aragon
The authority record identifies Elizabeth of Aragon (GND 118995219) as mother. - Marriage or partnershipDocumented
Beatrice of Castile
The authority record identifies Beatrice of Castile (GND 1081791381) as spouse.
Governments (1/1 with a precise source)
- GovernmentDocumented
King · Portugal · 1325–1357
The authority record dates this office to 1325–1357.
Biographical and contextual references (3)
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.
More paths from Afonso IV of Portugal
Family
Denis of Portugal“the Farmer”King of Portugal1261 – 1325Elizabeth of Aragon · ESConsort1271 – 1336Beatrice of Castile · ESConsort1293 – 1359Maria of Portugal · ESConsort1313 – 1357
Peter I of Portugal“the Just”King of Portugal1320 – 1367Same dynasty
Constance of Portugal · ESConsort1290 – 1313Afonso of Portugal · ESInfante1263 – 1312
Ferdinand I of Portugal“the Handsome”King of Portugal1345 – 1383Beatrice of Portugal · ESInfanta1347 – 1381John of Portugal · ESDuke1349 – 1397Isabella of Portugal · ESNoble1364 – 1395In their lifetime
John I of Portugal“of Good Memory”King of Portugal1357 – 1433
Ferdinand I of Portugal“the Handsome”King of Portugal1345 – 1383Inês de Castro · ESNoble / Posthumous queen1320 – 1355John of Portugal · ESDuke1349 – 1397Aldonça Eanes de Vasconcelos · ESNoble1295 – 1362Martim Afonso Teles de Meneses · ESNoble1310 – 1356