The Tree of Europe · Person

Galeazzo Maria Sforza

His Milanese court was noted for its musical patronage and princely ceremonial. He was assassinated in a church in Milan, leaving an underage heir.

1444 – 1476DukeSforza

Contemporary portraitPortrait of Galeazzo Maria SforzaPiero del Pollaiuolo · Fifteenth centuryWikimedia CommonsPublic 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: 1444 Documented

Death: 1476 Documented

Role: Duke

Dynasty: Sforza

Territories: Milan (ES)

Recorded governments and reigns

Duke · Milan · Duchy Pending review1466–1476Effective rule

Family network

Parents

Francesco I SforzaDocumentedBianca Maria ViscontiDocumented

Partners

Bona of Savoy · ESPending review

Children

Documentation

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

6 recorded claims · 2 without a claim-specific source. Context references do not by themselves verify every fact.

Dates (2/2 with a precise source)

BirthDocumented
1444
The authority record gives the birth as 1444.
Deutsche Nationalbibliothek · GND · Galeazzo Maria, Milano, Duca · Vital data: birth date
Reviewed on 2026-10-17 by El Árbol de Europa ·
DeathDocumented
1476
The authority record gives the death as 1476.
Deutsche Nationalbibliothek · GND · Galeazzo Maria, Milano, Duca · Vital data: death date
Reviewed on 2026-10-17 by El Árbol de Europa ·

Family and relationships (2/3 with a precise source)

FatherDocumented
Francesco I Sforza
The authority record identifies Francesco I Sforza (GND 118828622) as father.
Deutsche Nationalbibliothek · GND · Galeazzo Maria, Milano, Duca · Relationships: father → GND 118828622
Reviewed on 2026-10-17 by El Árbol de Europa ·
MotherDocumented
Bianca Maria Visconti
The authority record identifies Bianca Maria Visconti (GND 118805460) as mother.
Deutsche Nationalbibliothek · GND · Galeazzo Maria, Milano, Duca · Relationships: mother → GND 118805460
Reviewed on 2026-10-17 by El Árbol de Europa ·
Marriage or partnershipPending review
Bona of Savoy
A precise source has not yet been added.
No individual review recorded ·

Governments (0/1 with a precise source)

GovernmentPending review
Duke · Milan · 1466–1476
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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