Henry I of Schwerin
E738193
Henry I of Schwerin was a 13th-century German count best known for capturing and ransoming King Valdemar II of Denmark, an event that significantly shifted the balance of power in the Baltic region.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Henry I of Schwerin canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8125570 — 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: Henry I of Schwerin Context triple: [Valdemar II of Denmark, capturedBy, Henry I of Schwerin]
-
A.
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.
-
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.
Henry I of Brunswick-Grubenhagen
Henry I of Brunswick-Grubenhagen was a 13th–14th century German prince of the Welf dynasty who founded and ruled the small principality of Grubenhagen in the Holy Roman Empire.
-
D.
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.
-
E.
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.
- 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: Henry I of Schwerin Target entity description: Henry I of Schwerin was a 13th-century German count best known for capturing and ransoming King Valdemar II of Denmark, an event that significantly shifted the balance of power in the Baltic region.
-
A.
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.
-
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.
Henry I of Brunswick-Grubenhagen
Henry I of Brunswick-Grubenhagen was a 13th–14th century German prince of the Welf dynasty who founded and ruled the small principality of Grubenhagen in the Holy Roman Empire.
-
D.
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.
-
E.
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.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
count
ⓘ
medieval German noble ⓘ nobleman ⓘ |
| centuryOfActivity | 13th century ⓘ |
| countryOfCitizenship | Holy Roman Empire ⓘ |
| ethnicGroup | German ⓘ |
| givenName | Henry ⓘ |
| historicalRegion |
Duchy of Saxony
ⓘ
Northern Germany ⓘ |
| languageSpoken | Middle Low German ⓘ |
| militaryConflict | Danish–German conflicts in the Baltic ⓘ |
| nobleFamily | House of Hagen ⓘ |
| notableFor |
capture of King Valdemar II of Denmark
ⓘ
influence on Baltic regional power balance ⓘ ransom of King Valdemar II of Denmark ⓘ |
| opponent |
Kingdom of Denmark
ⓘ
linked to:
Denmark
Valdemar II of Denmark ⓘ |
| placeOfActivity |
Baltic region
ⓘ
linked to:
Baltic Sea region
Mecklenburg ⓘ Schwerin ⓘ |
| politicalAlignment | German territorial princes opposing Danish expansion ⓘ |
| positionHeld | Count of Schwerin ⓘ |
| powerBase | County of Schwerin ⓘ |
| roleInEvent | captor of Valdemar II of Denmark ⓘ |
| sexOrGender | male ⓘ |
| significantEvent |
abduction of Valdemar II of Denmark
ⓘ
imprisonment of Valdemar II of Denmark ⓘ negotiation of ransom for Valdemar II of Denmark ⓘ weakening of Danish supremacy in the Baltic ⓘ |
| title | Count of Schwerin ⓘ |
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: Henry I of Schwerin Description of subject: Henry I of Schwerin was a 13th-century German count best known for capturing and ransoming King Valdemar II of Denmark, an event that significantly shifted the balance of power in the Baltic region.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.