Casimir IV of Poland
King of Poland and Grand Duke of Lithuania whose many descendants spread the Jagiellons across several Central European crowns. His victory over the Teutonic Order strengthened Poland’s regional influence.
This complete profile is available in English. Bibliographic titles retain their original language. Links marked ES open the Spanish edition.
Key details
Birth: 30 November 1427 Documented
Death: 7 June 1492 Documented
Role: King
Other recorded names: Casimiro IV
Dynasty: Jagiellon · ES
Territories: Poland (ES) · Lithuania (ES)
Recorded relationships
Their titles over time
Follow the changing territories and offices of Casimir IV of Poland. Each title retains its own status.
Governments in 1447
- LithuaniaGrand duke
View titles and jurisdictions
- Lithuania · ESGrand duke · Effective rule1440–1492
- PolandKing
View titles and jurisdictions
- Poland · ESKing · Effective rule1447–1492
Annual dates: overlap within one year does not prove that two offices were held on the same day. Regencies and co-rulerships retain their labels.
Sources for this profile
- Deutsche Nationalbibliothek · GND authority record · Kasimir IV., Polen, König
- Encyclopaedia Britannica
Biographical and contextual references in their original language. Sources and methodology.
Evidence for this profile
7 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
30 November 1427
The authority record gives the birth as 1427-11-30. - DeathDocumented
7 June 1492
The authority record gives the death as 1492-06-07.
Family and relationships (3/3 with a precise source)
- FatherDocumented
Władysław II Jagiełło
The authority record identifies Władysław II Jagiełło (GND 119009927) as father. - MotherDocumented
Sophia of Halshany
The authority record identifies Sophia of Halshany (GND 105405214X) as mother. - Marriage or partnershipDocumented
Elisabeth of Habsburg
The authority record identifies Elisabeth of Habsburg (GND 123396980) as spouse.
Governments (1/2 with a precise source)
- GovernmentPending review
Grand duke · Lithuania · 1440–1492
A precise source has not yet been added. - GovernmentDocumented
King · Poland · 1447–1492
The authority record dates this office to 1447–1492.
Biographical and contextual references (2)
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 Casimir IV of Poland
Family
Władysław II JagiełłoKing1362 – 1434Sophia of Halshany · ESConsort1405 – 1461
Elisabeth of Habsburg · ESConsort1436 – 1505
Vladislaus II of Hungary and Bohemia · ESKing1456 – 1516
Sigismund I Jagiellon“the Old”King1467 – 1548John I Albert of Poland · ESKing1459 – 1501
