Bernard II, Duke of Saxony
E446448
Bernard II, Duke of Saxony was an 11th-century German nobleman who ruled the Duchy of Saxony and played a significant role in the politics of the Holy Roman Empire as a leading member of the Billung dynasty.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Bernard II, Duke of Saxony canonical | 7 |
How this entity was disambiguated
This entity first appeared as the object of triple T4377442 — 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: Bernard II, Duke of Saxony Context triple: [Billung dynasty, notableMember, Bernard II, Duke of Saxony]
-
A.
Bernard I, Duke of Saxony
Bernard I, Duke of Saxony, was a 10th-century German nobleman of the Billung dynasty who ruled the Duchy of Saxony and played a significant role in the politics of the Holy Roman Empire.
-
B.
Bernhard III, Duke of Saxony
Bernhard III, Duke of Saxony, was a 13th-century German prince of the Ascanian dynasty who ruled parts of Saxony during the fragmentation of the medieval duchy.
-
C.
William II, Margrave of Meissen
William II, Margrave of Meissen, was a late 14th- and early 15th-century German nobleman of the House of Wettin who played a significant role in regional politics and patronage in central Germany.
-
D.
Burchard II, Duke of Swabia
Burchard II, Duke of Swabia, was a powerful early 10th-century German noble who consolidated control over Swabia and became one of the leading princes of the emerging Holy Roman Empire.
-
E.
Clemens Wenceslaus of Saxony
Clemens Wenceslaus of Saxony was an 18th-century German prince of the House of Wettin who served as a Catholic archbishop and elector, most prominently as Elector of Trier.
- 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: Bernard II, Duke of Saxony Target entity description: Bernard II, Duke of Saxony was an 11th-century German nobleman who ruled the Duchy of Saxony and played a significant role in the politics of the Holy Roman Empire as a leading member of the Billung dynasty.
-
A.
Bernard I, Duke of Saxony
Bernard I, Duke of Saxony, was a 10th-century German nobleman of the Billung dynasty who ruled the Duchy of Saxony and played a significant role in the politics of the Holy Roman Empire.
-
B.
Bernhard III, Duke of Saxony
Bernhard III, Duke of Saxony, was a 13th-century German prince of the Ascanian dynasty who ruled parts of Saxony during the fragmentation of the medieval duchy.
-
C.
William II, Margrave of Meissen
William II, Margrave of Meissen, was a late 14th- and early 15th-century German nobleman of the House of Wettin who played a significant role in regional politics and patronage in central Germany.
-
D.
Burchard II, Duke of Swabia
Burchard II, Duke of Swabia, was a powerful early 10th-century German noble who consolidated control over Swabia and became one of the leading princes of the emerging Holy Roman Empire.
-
E.
Clemens Wenceslaus of Saxony
Clemens Wenceslaus of Saxony was an 18th-century German prince of the House of Wettin who served as a Catholic archbishop and elector, most prominently as Elector of Trier.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
duke
ⓘ
medieval German noble ⓘ member of the Billung dynasty ⓘ nobleman ⓘ |
| activeIn | Holy Roman Empire ⓘ |
| associatedWith | Lüneburg ⓘ |
| birthDate | circa 995 ⓘ |
| burialPlace |
Church of Saint Michael, Lüneburg
ⓘ
linked to:
St. Michaelis, Lüneburg
|
| child |
Gertrude of Saxony
ⓘ
Hedwig of Saxony ⓘ Ordulf, Duke of Saxony ⓘ |
| countryOfCitizenship | Duchy of Saxony ⓘ |
| deathDate | 29 June 1059 ⓘ |
| deathPlace | Saxony ⓘ |
| dynasticRole | head of the Billung dynasty ⓘ |
| era | High Middle Ages ⓘ |
| ethnicGroup | Saxon ⓘ |
| father | Bernard I, Duke of Saxony ⓘ |
| feudalRank | prince of the Holy Roman Empire ⓘ |
| governedTerritory | northern regions of the Duchy of Saxony ⓘ |
| languageSpoken |
Old High German
ⓘ
Old Saxon ⓘ |
| militaryRole | ducal military leader in Saxony ⓘ |
| mother | Hildegard of Stade ⓘ |
| nobleFamily | Billung dynasty ⓘ |
| nobleTitle | Duke of Saxony ⓘ |
| notableFor |
leadership of the Billung dynasty in Saxony
ⓘ
strengthening ducal authority in Saxony ⓘ |
| politicalAlignment | opponent and later ally of the Salian monarchy ⓘ |
| positionHeld | Duke of Saxony ⓘ |
| predecessor | Bernard I, Duke of Saxony ⓘ |
| realm | Duchy of Saxony ⓘ |
| reignEnd | 1059 ⓘ |
| reignStart | 1011 ⓘ |
| religion |
Catholic Church
ⓘ
linked to:
Roman Catholicism
|
| residence | Saxony ⓘ |
| significantEvent |
conflicts with the Liudolfing and Salian kings
ⓘ
later reconciliation with Emperor Henry II ⓘ participation in politics of the Holy Roman Empire ⓘ rebellion against Emperor Henry II ⓘ support for King Henry III of the Holy Roman Empire ⓘ |
| spouse | Eilika of Schweinfurt ⓘ |
| successor | Ordulf, Duke of Saxony ⓘ |
| titleHolderOf |
Billung march in Saxony
ⓘ
linked to:
March of Meissen
|
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Bernard II, Duke of Saxony Description of subject: Bernard II, Duke of Saxony was an 11th-century German nobleman who ruled the Duchy of Saxony and played a significant role in the politics of the Holy Roman Empire as a leading member of the Billung dynasty.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.