Catherine Jagiellon
Daughter of Sigismund I of Poland and Bona Sforza, she married John of Sweden, the future John III. Their son Sigismund combined election in Poland with inheritance in Sweden. The Jagiellon–Vasa connection explains this accumulation, but political and religious differences eventually separated the crowns.
This complete profile is available in English. Bibliographic titles retain their original language. Links marked ES open the Spanish edition.
Key details
Birth: 1 November 1526 Documented
Death: 16 September 1583 Documented
Role: Consort
Dynasty: Jagiellon · ES
Territories: Sweden (ES) · Poland (ES)
Recorded relationships
Sources for this profile
- Encyclopaedia Britannica
- Svenskt biografiskt lexikon · Sigismund
- Palacios Reales de Suecia · King Sigismund
- Museo de Historia de Polonia · Bitwa pod Byczyną
- Walka Zygmunta III Wazy o szwedzki tron · Plataforma educativa polaca
- Robert Frost · The Northern Wars, 1558–1721
- Deutsche Nationalbibliothek · GND authority record · Katharina, Schweden, Königin
Biographical and contextual references in their original language. Sources and methodology.
Evidence for this profile
5 recorded claims · 0 without a claim-specific source. Context references do not by themselves verify every fact.
Dates (2/2 with a precise source)
- BirthDocumented
1 November 1526
The authority record gives the birth as 1526-11-01. - DeathDocumented
16 September 1583
The authority record gives the death as 1583-09-16.
Family and relationships (3/3 with a precise source)
- FatherDocumented
Sigismund I Jagiellon
The authority record identifies Sigismund I Jagiellon (GND 118797158) as father. - MotherDocumented
Bona Sforza
The authority record identifies Bona Sforza (GND 119138158) as mother. - Marriage or partnershipDocumented
John III of Sweden
The authority record identifies John III of Sweden (GND 122841999) as spouse.
Biographical and contextual references (7)
- Encyclopaedia Britannica
- Svenskt biografiskt lexikon · Sigismund
- Palacios Reales de Suecia · King Sigismund
- Museo de Historia de Polonia · Bitwa pod Byczyną
- Walka Zygmunta III Wazy o szwedzki tron · Plataforma educativa polaca
- Robert Frost · The Northern Wars, 1558–1721
- Deutsche Nationalbibliothek · GND authority record · Katharina, Schweden, Königin
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
More paths from Catherine Jagiellon
Family
Sigismund I Jagiellon“the Old”King1467 – 1548
Bona Sforza · ESConsort1494 – 1557John III of SwedenKing1537 – 1592
Sigismund III VasaKing1566 – 1632
