Stjepan Vukčić Kosača
He succeeded his uncle Sandalj to an extensive regional patrimony. From 1448 he used the ducal title associated with Saint Sava, from which the name Herzegovina derives.
This complete profile is available in English. Bibliographic titles retain their original language. Links marked ES open the Spanish edition.
Key details
Birth: 1404 Approximate
Death: 22 May 1466 Documented
Role: Duke
Other recorded names: Stjepan Vukčić Kosača · Herceg de San Sava
Dynasty: Kosača · ES
Territories: Herzegovina (ES) · Bosnia (ES) · Hum (ES)
Recorded relationships
Their titles over time
Follow the changing territories and offices of Stjepan Vukčić Kosača. Each title retains its own status.
Governments in 1435
- HumLord
View titles and jurisdictions
- Hum · ESLord · Effective rule1435–1447 · He inherited Sandalj's domains in 1435; the ducal title of St Sava is recorded from 1448.
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
- Hrvatska enciklopedija · Esteban Vukčić Kosača
- Deutsche Nationalbibliothek · GND authority record · Stjepan, Herzegowina, Herzog
- Encyclopaedia Britannica
Biographical and contextual references in their original language. Sources and methodology.
Evidence for this profile
4 recorded claims · 2 without a claim-specific source. Context references do not by themselves verify every fact.
Dates (1/2 with a precise source)
- BirthApproximate
1404
A precise source has not yet been added. - DeathDocumented
22 May 1466
The authority record gives the death as 1466-05-22.
Governments (1/2 with a precise source)
- GovernmentDocumented
Lord · Hum · 1435–1447
Inheritance and government in 1435 preceded the title of 1448; his earlier authority is also included.Hrvatska enciklopedija · Stjepan Vukčić Kosača · Succession in 1435, title of Duke of St Sava in 1448; territorial autonomy; gradual conquest of Hum and Podrinje from 1465 and Venetian presence on the Neretva. The end of his government does not establish continued control over the entire interior.Hrvatska enciklopedija · Sandalj Hranić Kosača · Inheritance from Vlatko Vuković in 1392; domains between the Cetina, Drijeva, Lim and Boka documented around 1410; territory outside the Bosnian king's administration. The full extent of 1410 is included only from that date. - GovernmentPending review
Duke · Herzegovina · 1448–1466
A precise source has not yet been added.
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.