Ernest II, Duke of Swabia
E830313
Ernest II, Duke of Swabia was an early 11th-century German nobleman who ruled the Duchy of Swabia and became notable for his opposition to Emperor Conrad II.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Ernest II, Duke of Swabia canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9552483 — 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: Ernest II, Duke of Swabia Context triple: [Gisela of Swabia, child, Ernest II, Duke of Swabia]
-
A.
Ernest I, Duke of Swabia
Ernest I, Duke of Swabia was an early 11th-century German nobleman who ruled the Duchy of Swabia within the Holy Roman Empire and played a significant role in its regional politics.
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B.
Herman II, Duke of Swabia
Herman II, Duke of Swabia was a prominent early 11th-century German nobleman and regional ruler within the Holy Roman Empire, noted for his influential position among the Swabian ducal line.
-
C.
Burchard III, Duke of Swabia
Burchard III, Duke of Swabia, was a 10th-century German nobleman who ruled the Duchy of Swabia and played a key military role in defending the Ottonian realm.
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D.
Berthold II, Duke of Swabia
Berthold II, Duke of Swabia, was an 11th-century German nobleman and prominent supporter of the Gregorian Reform who played a key role in the power struggles of the Holy Roman Empire during the Investiture Controversy.
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E.
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.
- 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: Ernest II, Duke of Swabia Target entity description: Ernest II, Duke of Swabia was an early 11th-century German nobleman who ruled the Duchy of Swabia and became notable for his opposition to Emperor Conrad II.
-
A.
Ernest I, Duke of Swabia
Ernest I, Duke of Swabia was an early 11th-century German nobleman who ruled the Duchy of Swabia within the Holy Roman Empire and played a significant role in its regional politics.
-
B.
Herman II, Duke of Swabia
Herman II, Duke of Swabia was a prominent early 11th-century German nobleman and regional ruler within the Holy Roman Empire, noted for his influential position among the Swabian ducal line.
-
C.
Burchard III, Duke of Swabia
Burchard III, Duke of Swabia, was a 10th-century German nobleman who ruled the Duchy of Swabia and played a key military role in defending the Ottonian realm.
-
D.
Berthold II, Duke of Swabia
Berthold II, Duke of Swabia, was an 11th-century German nobleman and prominent supporter of the Gregorian Reform who played a key role in the power struggles of the Holy Roman Empire during the Investiture Controversy.
-
E.
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.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
11th-century German person
ⓘ
duke ⓘ medieval German noble ⓘ nobleman ⓘ |
| allegiance | Duchy of Swabia NERFINISHED ⓘ |
| associatedWithDynasty | Babenberg dynasty NERFINISHED ⓘ |
| associatedWithTerritory | Swabia NERFINISHED ⓘ |
| birthDate | circa 1007 ⓘ |
| causeOfDeath | killed in battle ⓘ |
| conflict | rebellions against Conrad II ⓘ |
| countryOfOrigin | Kingdom of Germany NERFINISHED ⓘ |
| deathDate | 1030 ⓘ |
| deathPlace | near Falkenstein, Duchy of Swabia ⓘ |
| endTime | 1030 (as Duke of Swabia) ⓘ |
| era | High Middle Ages ⓘ |
| father | Ernest I, Duke of Swabia NERFINISHED ⓘ |
| givenName | Ernest NERFINISHED ⓘ |
| governedUnder | Holy Roman Empire NERFINISHED ⓘ |
| heldTitle | Duke in the Holy Roman Empire ⓘ |
| historicalPeriod | early 11th century ⓘ |
| languageSpoken | Old High German ⓘ |
| mannerOfDeath | died in armed conflict ⓘ |
| mother | Gisela of Swabia NERFINISHED ⓘ |
| name | Ernest II, Duke of Swabia NERFINISHED ⓘ |
| nobleFamily | House of Babenberg NERFINISHED ⓘ |
| nobleRank | duke ⓘ |
| notableFor |
opposition to Emperor Conrad II
ⓘ
participation in rebellions against royal authority ⓘ |
| numeral | II NERFINISHED ⓘ |
| opponent | Conrad II, Holy Roman Emperor NERFINISHED ⓘ |
| politicalContext | Holy Roman Empire NERFINISHED ⓘ |
| positionHeld | Duke of Swabia NERFINISHED ⓘ |
| predecessor | Ernest I, Duke of Swabia NERFINISHED ⓘ |
| realm | Duchy of Swabia NERFINISHED ⓘ |
| regionRuled | Swabia NERFINISHED ⓘ |
| relative |
Conrad II, Holy Roman Emperor
NERFINISHED
ⓘ
Gisela of Swabia NERFINISHED ⓘ Herman IV, Duke of Swabia NERFINISHED ⓘ |
| religion |
Roman Catholicism
ⓘ
surface form:
Catholic Church
|
| socialClass | high nobility ⓘ |
| spouse |
Matilda of Franconia
NERFINISHED
ⓘ
Matilda of Swabia NERFINISHED ⓘ |
| startTime | 1015 (as Duke of Swabia) ⓘ |
| stepfather | Conrad II, Holy Roman Emperor NERFINISHED ⓘ |
| stepRelation | stepson of Conrad II, Holy Roman Emperor ⓘ |
| successor | Herman IV, Duke of Swabia NERFINISHED ⓘ |
| title | Duke of Swabia NERFINISHED ⓘ |
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: Ernest II, Duke of Swabia Description of subject: Ernest II, Duke of Swabia was an early 11th-century German nobleman who ruled the Duchy of Swabia and became notable for his opposition to Emperor Conrad II.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.