King Frederik IX of Denmark
E559842
King Frederik IX of Denmark was the popular mid-20th-century Danish monarch who modernized the monarchy and was the father of Queen Margrethe II.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Frederik IX of Denmark | 2 |
| King Frederik IX of Denmark canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5615140 — 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: King Frederik IX of Denmark Context triple: [Danish monarchy, previousMonarch, King Frederik IX of Denmark]
-
A.
Christian X of Denmark
Christian X of Denmark was the King of Denmark (and briefly of Iceland) during both World Wars, remembered for his symbolic resistance to Nazi occupation and his role as a unifying national figure.
-
B.
King Frederik X of Denmark
King Frederik X of Denmark is the reigning Danish monarch, head of state of the Kingdom of Denmark including its autonomous territories such as Greenland and the Faroe Islands.
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C.
Frederick VII of Denmark
Frederick VII of Denmark was the last absolute monarch of Denmark, known for signing the 1849 constitution that transformed the country into a constitutional monarchy.
-
D.
Christian IX of Denmark
Christian IX of Denmark was a 19th-century Danish king known as the "Father-in-law of Europe" for his many descendants who sat on European thrones.
-
E.
Frederick VIII of Denmark
Frederick VIII of Denmark was King of Denmark from 1906 to 1912, known for his liberal views and efforts to modernize the Danish monarchy.
- 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: King Frederik IX of Denmark Target entity description: King Frederik IX of Denmark was the popular mid-20th-century Danish monarch who modernized the monarchy and was the father of Queen Margrethe II.
-
A.
Christian X of Denmark
Christian X of Denmark was the King of Denmark (and briefly of Iceland) during both World Wars, remembered for his symbolic resistance to Nazi occupation and his role as a unifying national figure.
-
B.
King Frederik X of Denmark
King Frederik X of Denmark is the reigning Danish monarch, head of state of the Kingdom of Denmark including its autonomous territories such as Greenland and the Faroe Islands.
-
C.
Frederick VII of Denmark
Frederick VII of Denmark was the last absolute monarch of Denmark, known for signing the 1849 constitution that transformed the country into a constitutional monarchy.
-
D.
Christian IX of Denmark
Christian IX of Denmark was a 19th-century Danish king known as the "Father-in-law of Europe" for his many descendants who sat on European thrones.
-
E.
Frederick VIII of Denmark
Frederick VIII of Denmark was King of Denmark from 1906 to 1912, known for his liberal views and efforts to modernize the Danish monarchy.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
King of Denmark
ⓘ
human ⓘ monarch ⓘ |
| birthDate | 1899-03-11 ⓘ |
| birthPlace |
Denmark
NERFINISHED
ⓘ
Lyngby-Taarbæk NERFINISHED ⓘ Sorgenfri Palace NERFINISHED ⓘ |
| burialPlace | Roskilde Cathedral NERFINISHED ⓘ |
| causeOfDeath | heart attack ⓘ |
| child |
Margrethe II of Denmark
NERFINISHED
ⓘ
Princess Benedikte of Denmark NERFINISHED ⓘ Queen Anne-Marie of Greece NERFINISHED ⓘ |
| coronationDate | 1947-04-20 ⓘ |
| country | Denmark ⓘ |
| deathDate | 1972-01-14 ⓘ |
| deathPlace |
Copenhagen
NERFINISHED
ⓘ
Denmark NERFINISHED ⓘ |
| father | Christian X of Denmark NERFINISHED ⓘ |
| gender | male ⓘ |
| givenName | Frederik NERFINISHED ⓘ |
| honor |
Order of the Dannebrog
NERFINISHED
ⓘ
Order of the Elephant NERFINISHED ⓘ |
| house | House of Glücksburg NERFINISHED ⓘ |
| languageSpoken |
Danish
ⓘ
English ⓘ French ⓘ German ⓘ |
| militaryBranch | Royal Danish Navy NERFINISHED ⓘ |
| militaryRank | admiral ⓘ |
| monarchOf | Kingdom of Denmark NERFINISHED ⓘ |
| mother | Alexandrine of Mecklenburg-Schwerin NERFINISHED ⓘ |
| nativeNameLanguage | da ⓘ |
| nobleFamily | House of Glücksburg NERFINISHED ⓘ |
| notableFor |
modernization of the Danish monarchy
ⓘ
popular constitutional reign ⓘ |
| occupation |
monarch
ⓘ
naval officer ⓘ |
| predecessor | Christian X of Denmark NERFINISHED ⓘ |
| regnalName | Frederik IX NERFINISHED ⓘ |
| reignEnd | 1972-01-14 ⓘ |
| reignStart | 1947-04-20 ⓘ |
| religion |
Church of Denmark
NERFINISHED
ⓘ
Lutheranism ⓘ |
| residence |
Amalienborg Palace
NERFINISHED
ⓘ
Fredensborg Palace NERFINISHED ⓘ |
| spouse | Ingrid of Sweden NERFINISHED ⓘ |
| successor | Margrethe II of Denmark NERFINISHED ⓘ |
| title |
Crown Prince of Denmark
NERFINISHED
ⓘ
King of Denmark 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: King Frederik IX of Denmark Description of subject: King Frederik IX of Denmark was the popular mid-20th-century Danish monarch who modernized the monarchy and was the father of Queen Margrethe II.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Frederik IX of Denmark
this entity surface form:
Frederik IX of Denmark