John II, Margrave of Brandenburg
E931754
John II, Margrave of Brandenburg, was a 13th-century German nobleman of the House of Ascania who co-ruled the Margraviate of Brandenburg and played a role in consolidating its territorial power.
All labels observed (1)
| Label | Occurrences |
|---|---|
| John II, Margrave of Brandenburg canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11475344 — 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: John II, Margrave of Brandenburg Context triple: [House of Ascania, notableMember, John II, Margrave of Brandenburg]
-
A.
John I, Margrave of Brandenburg
John I, Margrave of Brandenburg, was a 13th-century German prince who significantly expanded and consolidated Brandenburg’s territories, helping to establish it as a major principality within the Holy Roman Empire.
-
B.
Waldemar, Margrave of Brandenburg
Waldemar, Margrave of Brandenburg, was a prominent early 14th-century German prince who ruled the Margraviate of Brandenburg and became a legendary figure in regional medieval history.
-
C.
John of Brandenburg-Küstrin
John of Brandenburg-Küstrin was a 16th-century German margrave who ruled the Neumark region of Brandenburg and played a notable role in the political and religious affairs of the Holy Roman Empire during the Reformation.
-
D.
Otto III, Margrave of Brandenburg
Otto III, Margrave of Brandenburg, was a 13th-century German prince of the Ascanian dynasty who co-ruled the Margraviate of Brandenburg and played a key role in its territorial consolidation and regional influence.
-
E.
Joachim II Hector, Elector of Brandenburg
Joachim II Hector was a 16th-century Elector of Brandenburg known for consolidating Hohenzollern power, navigating the Reformation by adopting Lutheranism while retaining some Catholic practices, and strengthening his territory’s political and economic position within the 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: John II, Margrave of Brandenburg Target entity description: John II, Margrave of Brandenburg, was a 13th-century German nobleman of the House of Ascania who co-ruled the Margraviate of Brandenburg and played a role in consolidating its territorial power.
-
A.
John I, Margrave of Brandenburg
John I, Margrave of Brandenburg, was a 13th-century German prince who significantly expanded and consolidated Brandenburg’s territories, helping to establish it as a major principality within the Holy Roman Empire.
-
B.
Waldemar, Margrave of Brandenburg
Waldemar, Margrave of Brandenburg, was a prominent early 14th-century German prince who ruled the Margraviate of Brandenburg and became a legendary figure in regional medieval history.
-
C.
John of Brandenburg-Küstrin
John of Brandenburg-Küstrin was a 16th-century German margrave who ruled the Neumark region of Brandenburg and played a notable role in the political and religious affairs of the Holy Roman Empire during the Reformation.
-
D.
Otto III, Margrave of Brandenburg
Otto III, Margrave of Brandenburg, was a 13th-century German prince of the Ascanian dynasty who co-ruled the Margraviate of Brandenburg and played a key role in its territorial consolidation and regional influence.
-
E.
Joachim II Hector, Elector of Brandenburg
Joachim II Hector was a 16th-century Elector of Brandenburg known for consolidating Hohenzollern power, navigating the Reformation by adopting Lutheranism while retaining some Catholic practices, and strengthening his territory’s political and economic position within the Holy Roman Empire.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
German noble
ⓘ
House of Ascania member ⓘ margrave ⓘ member of nobility ⓘ nobleman ⓘ |
| activeInCentury | 13th century ⓘ |
| associatedWith | Brandenburg-Stendal NERFINISHED ⓘ |
| child |
Conrad, Bishop of Havelberg
NERFINISHED
ⓘ
Herman, Margrave of Brandenburg NERFINISHED ⓘ John IV, Margrave of Brandenburg NERFINISHED ⓘ |
| coRuled | Margraviate of Brandenburg NERFINISHED ⓘ |
| countryOfCitizenship | Holy Roman Empire ⓘ |
| dynasty | Ascanian dynasty NERFINISHED ⓘ |
| father | John I, Margrave of Brandenburg NERFINISHED ⓘ |
| gender | male ⓘ |
| heldFeudalTitleUnder | Holy Roman Emperor NERFINISHED ⓘ |
| mother | Sophia of Denmark NERFINISHED ⓘ |
| nativeLanguage | Middle Low German ⓘ |
| nobleFamily | House of Ascania NERFINISHED ⓘ |
| nobleRank | prince of the Holy Roman Empire ⓘ |
| nobleTitle | Margrave ⓘ |
| partOf | Brandenburg margraves of the House of Ascania NERFINISHED ⓘ |
| playedRoleIn | consolidation of territorial power of Brandenburg ⓘ |
| positionHeld | Margrave of Brandenburg NERFINISHED ⓘ |
| religion | Roman Catholicism ⓘ |
| sibling |
Conrad I, Margrave of Brandenburg-Stendal
NERFINISHED
ⓘ
Otto IV, Margrave of Brandenburg NERFINISHED ⓘ |
| spouse | Hedwig of Werle NERFINISHED ⓘ |
| territorialLordOf | Brandenburg NERFINISHED ⓘ |
| title | Margrave of Brandenburg-Stendal 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: John II, Margrave of Brandenburg Description of subject: John II, Margrave of Brandenburg, was a 13th-century German nobleman of the House of Ascania who co-ruled the Margraviate of Brandenburg and played a role in consolidating its territorial power.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.