The Tree of Europe · Person

Pius III

Francesco Todeschini Piccolomini, a nephew of Pius II, was elected in September 1503 and died twenty-six days later.

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Historical portraitPius IIIAnonymous painterPublic domain · PDM 1.0 · Source

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: 1439 Documented

Death: 1503 Documented

Role: Pope

Dynasty: Piccolomini · ES

Territories: Papal States (ES)

Recorded governments and reigns

Pope · Papal States · Pontificate Pending review1503–1503Effective rule

Family network

Recorded relationships

Parents

Nanni Todeschini · ESPending reviewLaudomia Piccolomini · ESPending review

Documentation

Sources for this profile

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

Evidence for this profile

5 recorded claims · 3 without a claim-specific source. Context references do not by themselves verify every fact.

Dates (2/2 with a precise source)

BirthDocumented
1439
The authority record gives the birth as 1439.
Deutsche Nationalbibliothek · GND · Pius III., Papst · Vital data: birth date
Reviewed on 2026-10-17 by El Árbol de Europa ·
DeathDocumented
1503
The authority record gives the death as 1503.
Deutsche Nationalbibliothek · GND · Pius III., Papst · Vital data: death date
Reviewed on 2026-10-17 by El Árbol de Europa ·

Family and relationships (0/2 with a precise source)

FatherPending review
Nanni Todeschini
A precise source has not yet been added.
No individual review recorded ·
MotherPending review
Laudomia Piccolomini
A precise source has not yet been added.
No individual review recorded ·

Governments (0/1 with a precise source)

GovernmentPending review
Pope · Papal States · 1503–1503
A precise source has not yet been added.
No individual review recorded ·

Biographical and contextual references (4)

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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Story · Spanish original

The papal families

Orsini, Colonna, Borgia, Della Rovere, Medici and the Rome of the cardinal-nephews

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