Boleslaus I, Duke of Bohemia

E1309543 UNEXPLORED

Boleslaus I, Duke of Bohemia was a 10th-century Přemyslid ruler known for consolidating Bohemian power, expanding its territory, and strengthening its independence from the Holy Roman Empire.

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All labels observed (5)

Label	Occurrences
Boleslaus I, Duke of Bohemia canonical	4
Boleslav I of Bohemia	2
Boleslaus I of Bohemia	1
Boleslaus I the Cruel	1
Boleslav I	1

How this entity was disambiguated

This entity first appeared as the object of triple T18115909 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Boleslaus I, Duke of Bohemia
Context triple: [Duchy of Bohemia, notableRuler, Boleslaus I, Duke of Bohemia]

A. Bořivoj I, Duke of Bohemia
Bořivoj I, Duke of Bohemia, was the first historically documented ruler of Bohemia and an early promoter of Christianity in the region during the late 9th century.
B. Wenceslaus I of Bohemia
Wenceslaus I of Bohemia was a 13th-century Přemyslid king known for consolidating royal power in Bohemia and resisting the Mongol incursions into Central Europe.
C. Wenceslaus I
Wenceslaus I, also known as Saint Wenceslas, was a 10th-century Duke of Bohemia revered as a Christian martyr and the patron saint of the Czech lands.
D. Ottokar I of Bohemia
Ottokar I of Bohemia was a Přemyslid ruler who secured the hereditary royal title for Bohemia in the early 13th century, establishing it as a stable kingdom within the Holy Roman Empire.
E. Boleslaus II the Pious
Boleslaus II the Pious was a 10th-century Duke of Bohemia known for consolidating Přemyslid rule and strengthening the Christian church in his realm.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Boleslaus I, Duke of Bohemia
Target entity description: Boleslaus I, Duke of Bohemia was a 10th-century Přemyslid ruler known for consolidating Bohemian power, expanding its territory, and strengthening its independence from the Holy Roman Empire.

A. Bořivoj I, Duke of Bohemia
Bořivoj I, Duke of Bohemia, was the first historically documented ruler of Bohemia and an early promoter of Christianity in the region during the late 9th century.
B. Wenceslaus I of Bohemia
Wenceslaus I of Bohemia was a 13th-century Přemyslid king known for consolidating royal power in Bohemia and resisting the Mongol incursions into Central Europe.
C. Wenceslaus I
Wenceslaus I, also known as Saint Wenceslas, was a 10th-century Duke of Bohemia revered as a Christian martyr and the patron saint of the Czech lands.
D. Ottokar I of Bohemia
Ottokar I of Bohemia was a Přemyslid ruler who secured the hereditary royal title for Bohemia in the early 13th century, establishing it as a stable kingdom within the Holy Roman Empire.
E. Boleslaus II the Pious
Boleslaus II the Pious was a 10th-century Duke of Bohemia known for consolidating Přemyslid rule and strengthening the Christian church in his realm.
F. None of above. chosen

Referenced by (9)

Full triples — surface form annotated when it differs from this entity's canonical label.

Duchy of Bohemia → notableRuler → Boleslaus I, Duke of Bohemia ⓘ

Duke of Bohemia → titleHolder → Boleslaus I, Duke of Bohemia ⓘ

Christianization of Bohemia → significantPerson → Boleslaus I, Duke of Bohemia ⓘ

Boleslaus I the Cruel → alsoKnownAs → Boleslav I ⓘ