The Tree of Europe · Person

Martin I of Sicily

«the Younger»

The husband of Mary of Sicily and son of Martin the Humane. He reorganised the island monarchy’s power against the barons and died after a campaign in Sardinia. His death without a surviving legitimate heir aggravated the succession crisis of the Crown of Aragon.

1374 – 1409KingBarcelona

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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: 1374 Pending review

Death: 1409 Pending review

Role: King

Dynasty: Barcelona

Territories: Trinacria (ES) · Aragon (ES) · Sardinia (ES)

Recorded governments and reigns

King · Trinacria · Reign Pending review1390–1401Jure uxorisMarriage in 1390; military establishment in Sicily in 1392.

King · Trinacria · Reign Pending review1401–1409Effective rule

Family network

Recorded relationships

Parents

Martin I of AragonPending reviewMaria de Luna · ESPending review

Partners

Mary of SicilyPending reviewBlanche I of NavarrePending review

Evidence for this profile

8 recorded claims · 8 without a claim-specific source. Context references do not by themselves verify every fact.

Dates (0/2 with a precise source)

BirthPending review
1374
A precise source has not yet been added.
No individual review recorded ·
DeathPending review
1409
A precise source has not yet been added.
No individual review recorded ·

Family and relationships (0/4 with a precise source)

FatherPending review
Martin I of Aragon
A precise source has not yet been added.
No individual review recorded ·
MotherPending review
Maria de Luna
A precise source has not yet been added.
No individual review recorded ·
Marriage or partnershipPending review
Mary of Sicily
A precise source has not yet been added.
No individual review recorded ·
Marriage or partnershipPending review
Blanche I of Navarre
A precise source has not yet been added.
No individual review recorded ·

Governments (0/2 with a precise source)

GovernmentPending review
King · Trinacria · 1390–1401
A precise source has not yet been added.
No individual review recorded ·
GovernmentPending review
King · Trinacria · 1401–1409
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.

Follow this person through history

Story · Spanish original

The kingdom divided in two

Hohenstaufen, Anjou and Aragon contend for Sicily and Naples

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