The Tree of Europe · Person

Bianca Maria Visconti

The only daughter of Filippo Maria Visconti, Duke of Milan. Her marriage to the condottiere Francesco Sforza (1441) enabled him to take control of the duchy in 1450.

1425 – 1468ConsortVisconti

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Contemporary portraitPortrait of Bianca Maria Sforza / Bianca Maria ViscontiBonifacio Bembo · 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: 31 March 1425 Documented

Death: 1468 Documented

Role: Consort

Dynasty: Visconti

Territories: Milan (ES)

Family network

Recorded relationships

Parents

Filippo Maria ViscontiDocumentedAgnese del Maino · ESPending review

Partners

Francesco I SforzaDocumented

Children

Ippolita Maria Sforza · ESGaleazzo Maria Sforza · ESLudovico Sforza

Documentation

Sources for this profile

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

Evidence for this profile

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

Dates (2/2 with a precise source)

BirthDocumented
31 March 1425
The DBI and MedLands date the birth to 31 March 1425.Recorded alternatives: 1424 (GND)
Treccani · Dizionario Biografico degli Italiani · Bianca Maria Visconti, duchessa di Milano · Vol. 10 (1968). “Born at the castle of Settimo Pavese, according to Simonetta, on 31 March 1425”Foundation for Medieval Genealogy · MedLands · Milan · Entry “BIANCA MARIA Visconti (Castello di Settimo 31 Mar 1425–Cremona 23 Oct 1468)”Deutsche Nationalbibliothek · GND authority record · Vital data: birth date (1424)
Reviewed on 2026-10-17 by El Árbol de Europa ·
DeathDocumented
1468
The authority record gives the death as 1468.
Deutsche Nationalbibliothek · GND · Bianca Maria, Mailand, Herzogin · Vital data: death date
Reviewed on 2026-10-17 by El Árbol de Europa ·

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

FatherDocumented
Filippo Maria Visconti
The authority record identifies Filippo Maria Visconti (GND 118805479) as father.
Deutsche Nationalbibliothek · GND · Bianca Maria, Mailand, Herzogin · Relationships: father → GND 118805479
Reviewed on 2026-10-17 by El Árbol de Europa ·
MotherPending review
Agnese del Maino
A precise source has not yet been added.
No individual review recorded ·
Marriage or partnershipDocumented
Francesco I Sforza
The authority record identifies Francesco I Sforza (GND 118828622) as spouse.
Deutsche Nationalbibliothek · GND · Bianca Maria, Mailand, Herzogin · Relationships: spouse → GND 118828622
Reviewed on 2026-10-17 by El Árbol de Europa ·

Biographical and contextual references (3)

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.