The Tree of Europe · Person

John of Gaunt

A duke of the House of Plantagenet whose life was connected with England.

1340 – 1399DukePlantagenet

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This complete profile is available in English. Bibliographic titles retain their original language. Links marked ES open the Spanish edition.

Historical profile

Key details

Birth: 1340 Documented

Death: 1399 Documented

Role: Duke

Dynasty: Plantagenet

Territories: England (ES)

Family network

Recorded relationships

Parents

Edward III of EnglandPending reviewPhilippa of Hainaut · ESPending review

Partners

Blanche of LancasterPending reviewConstance of Castile · ESPending reviewKatherine de Roet · ESPending review

Children

Elizabeth of Lancaster · ESHenry IV of EnglandJohn Beaufort · ESJoan Beaufort · ES

Documentation

Sources for this profile

Biographical and contextual references in their original language. Sources and methodology.

Evidence for this profile

7 recorded claims · 5 without a claim-specific source. Context references do not by themselves verify every fact.

Dates (2/2 with a precise source)

BirthDocumented
1340
The authority record gives the birth as 1340.
Deutsche Nationalbibliothek · GND · John, Lancaster, Duke · Vital data: birth date
Reviewed on 2026-10-17 by El Árbol de Europa ·
DeathDocumented
1399
The authority record gives the death as 1399.
Deutsche Nationalbibliothek · GND · John, Lancaster, Duke · Vital data: death date
Reviewed on 2026-10-17 by El Árbol de Europa ·

Family and relationships (0/5 with a precise source)

FatherPending review
Edward III of England
A precise source has not yet been added.
No individual review recorded ·
MotherPending review
Philippa of Hainaut
A precise source has not yet been added.
No individual review recorded ·
Marriage or partnershipPending review
Blanche of Lancaster
A precise source has not yet been added.
No individual review recorded ·
Marriage or partnershipPending review
Constance of Castile
A precise source has not yet been added.
No individual review recorded ·
Marriage or partnershipPending review
Katherine de Roet
A precise source has not yet been added.
No individual review recorded ·

Biographical and contextual references (5)

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.

Follow this person through history

Story · Spanish original

The Wars of the Roses

Lancaster, York and the rise of the Tudors

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