Duke Welf I of Bavaria
E430200
Duke Welf I of Bavaria was an 11th-century German nobleman and influential member of the Welf dynasty who played a key role in the Investiture Controversy and imperial politics of the Holy Roman Empire.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Duke Welf I of Bavaria canonical | 1 |
| Welf V of Bavaria | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4036761 — 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: Duke Welf I of Bavaria Context triple: [Rudolf of Rheinfelden, alliedWith, Duke Welf I of Bavaria]
-
A.
Louis II, Duke of Bavaria
Louis II, Duke of Bavaria was a 14th-century German prince of the Wittelsbach dynasty who ruled parts of Bavaria and played a significant role in the regional politics of the Holy Roman Empire.
-
B.
Karl Albrecht von Bayern
Karl Albrecht von Bayern was the Bavarian prince who became Charles VII, Holy Roman Emperor in the 18th century.
-
C.
Duke of Swabia
The Duke of Swabia was a powerful medieval noble title within the Holy Roman Empire, traditionally held by leading members of the German high nobility who ruled the region of Swabia in southwestern Germany.
-
D.
Kuno von Bayern
Kuno von Bayern was a Bavarian prince, the son of Electress Theresa Kunegunda Sobieska and Elector Maximilian II Emanuel of Bavaria, and a member of the House of Wittelsbach.
-
E.
Christopher of Bavaria
Christopher of Bavaria was a 15th-century king who ruled Denmark, Sweden, and Norway under the Kalmar Union.
- 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: Duke Welf I of Bavaria Target entity description: Duke Welf I of Bavaria was an 11th-century German nobleman and influential member of the Welf dynasty who played a key role in the Investiture Controversy and imperial politics of the Holy Roman Empire.
-
A.
Louis II, Duke of Bavaria
Louis II, Duke of Bavaria was a 14th-century German prince of the Wittelsbach dynasty who ruled parts of Bavaria and played a significant role in the regional politics of the Holy Roman Empire.
-
B.
Karl Albrecht von Bayern
Karl Albrecht von Bayern was the Bavarian prince who became Charles VII, Holy Roman Emperor in the 18th century.
-
C.
Duke of Swabia
The Duke of Swabia was a powerful medieval noble title within the Holy Roman Empire, traditionally held by leading members of the German high nobility who ruled the region of Swabia in southwestern Germany.
-
D.
Kuno von Bayern
Kuno von Bayern was a Bavarian prince, the son of Electress Theresa Kunegunda Sobieska and Elector Maximilian II Emanuel of Bavaria, and a member of the House of Wittelsbach.
-
E.
Christopher of Bavaria
Christopher of Bavaria was a 15th-century king who ruled Denmark, Sweden, and Norway under the Kalmar Union.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
duke
ⓘ
human ⓘ medieval nobleman ⓘ |
| activeIn | 11th century ⓘ |
| alliedWith |
Matilda of Tuscany
NERFINISHED
ⓘ
Rudolf of Rheinfelden NERFINISHED ⓘ |
| burialPlace | Weingarten Abbey NERFINISHED ⓘ |
| child |
Henry IX, Duke of Bavaria
NERFINISHED
ⓘ
Kunigunde of Bavaria NERFINISHED ⓘ Welf II, Duke of Bavaria NERFINISHED ⓘ |
| countryOfCitizenship | Duchy of Bavaria NERFINISHED ⓘ |
| dateOfBirth | c. 1030 ⓘ |
| dateOfDeath | 6 November 1101 ⓘ |
| diedDuring | return journey from the Holy Land ⓘ |
| dynasticName | Welf I NERFINISHED ⓘ |
| era | High Middle Ages ⓘ |
| ethnicGroup | German ⓘ |
| father | Albert Azzo II, Margrave of Milan NERFINISHED ⓘ |
| givenName | Welf NERFINISHED ⓘ |
| heldTitleFrom |
1070
ⓘ
1096 ⓘ |
| heldTitleUntil |
1077
ⓘ
1101 ⓘ |
| memberOf |
House of Welf
NERFINISHED
ⓘ
Welf dynasty NERFINISHED ⓘ |
| mother | Kunigunde of Altdorf NERFINISHED ⓘ |
| nobleFamily | House of Welf NERFINISHED ⓘ |
| nobleTitle | Duke of Bavaria NERFINISHED ⓘ |
| notableFor |
leadership in Bavarian opposition to Henry IV
ⓘ
role in the Investiture Controversy ⓘ strengthening the Welf dynasty in southern Germany ⓘ |
| opposed | Emperor Henry IV NERFINISHED ⓘ |
| participatedIn |
First Crusade-related expedition to the Holy Land
ⓘ
Investiture Controversy NERFINISHED ⓘ imperial politics of the Holy Roman Empire ⓘ |
| placeOfBirth |
Altdorf
NERFINISHED
ⓘ
Swabia NERFINISHED ⓘ |
| placeOfDeath |
Cyprus
NERFINISHED
ⓘ
Paphos NERFINISHED ⓘ |
| positionHeld | Duke of Bavaria NERFINISHED ⓘ |
| religion |
Roman Catholicism
ⓘ
surface form:
Catholic Church
|
| removedFromOfficeBy | Henry IV, Holy Roman Emperor NERFINISHED ⓘ |
| residence |
Altdorf
NERFINISHED
ⓘ
Bavaria NERFINISHED ⓘ |
| restoredToOfficeBy | Henry IV, Holy Roman Emperor NERFINISHED ⓘ |
| spouse |
Ethelinde of Northeim
NERFINISHED
ⓘ
Judith of Flanders NERFINISHED ⓘ |
| supported | Pope Gregory VII NERFINISHED ⓘ |
| titleRank | prince of the Holy Roman Empire ⓘ |
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: Duke Welf I of Bavaria Description of subject: Duke Welf I of Bavaria was an 11th-century German nobleman and influential member of the Welf dynasty who played a key role in the Investiture Controversy and imperial politics of the Holy Roman Empire.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Welf V of Bavaria