The Tree of Europe · Person

Isabella I of Castile

Queen of Castile whose marriage to Ferdinand of Aragon linked the two major Iberian crowns without immediately merging their institutions. Her reign shaped the dynastic inheritance later received by the Habsburgs.

1451 – 1504Queen of CastileTrastámara · ES
Portrait of Isabella I of Castile
Retrato contemporáneoIsabel la CatólicaJuan de Flandes · c. 1500–1504Palacio Real, MadridDominio público · PDM 1.0 · Source

This profile is translated. Names of dynasties and territories, picture credits and original documentary records retain their source language. Links marked ES open the Spanish edition.

Historical profile

Key details

Birth: 22 April 1451 Documented

Death: 26 November 1504 Documented

Role: Queen of Castile

Dynasty: Trastámara · ES

Territories: Castilla (ES) · Aragón (ES) · León (ES)

Family network

Recorded relationships

Governments and documentary notes · Spanish original
Gobiernos y reinados registrados
Reina · Castilla · Reinado 1474–1504efectivo
Reina · León · Reinado 1474–1504efectivo
Coronas y uniones

Sus títulos en el tiempo

Sigue cómo cambiaron los territorios y las funciones de Isabella I of Castile. Cada título conserva su condición propia.

Gobiernos en 1474

  • Corona de Castilla2 títulos y mandatos
    Ver títulos y ámbitos
    • CastillaReina · efectivo1474–1504
    • LeónReina · efectivo1474–1504

    Coronas reunidas bajo un soberano común; el mapa conserva las denominaciones históricas.

Fechas anuales: coincidir en un año no demuestra que dos mandatos se ejercieran el mismo día. Las regencias y corregencias conservan su etiqueta.

Read the complete Spanish record →

Evidence for this profile

7 recorded claims · 1 without a claim-specific source. Context references do not by themselves verify every fact.

Dates (2/2 with a precise source)
Family and relationships (3/3 with a precise source)
Governments (1/2 with a precise source)
  • GovernmentDocumented

    Reina · Castilla · 1474–1504

    Reviewed on 2026-09-30 by El Árbol de Europa ·
  • GovernmentPending review

    Reina · León · 1474–1504

    A precise source has not yet been added.
    No individual review recorded ·
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.
  • 2026-09-30 · Dates and parentage in the Isabella I–Joanna I–Charles V corridor were reviewed with passage-level references. Other claims remain pending.

Related stories

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Story · Spanish original

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