Prince Kiril of Bulgaria
E422740
Prince Kiril of Bulgaria was a Bulgarian royal prince who served as regent during World War II and was executed by the communist regime in 1945.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Prince Kiril of Bulgaria canonical | 6 |
How this entity was disambiguated
This entity first appeared as the object of triple T3840843 — 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: Prince Kiril of Bulgaria Context triple: [Ferdinand I of Bulgaria, child, Prince Kiril of Bulgaria]
-
A.
Prince Kyril of Bulgaria
Prince Kyril of Bulgaria is a Spanish-born financier and environmental advocate, best known as the second son of Bulgaria’s last tsar, Simeon II, and a prominent member of the former Bulgarian royal family.
-
B.
Simeon II of Bulgaria
Simeon II of Bulgaria is the former Tsar of Bulgaria who later returned to the country as a democratic politician and served as its prime minister.
-
C.
Peter IV of Bulgaria
Peter IV of Bulgaria was a medieval Bulgarian tsar who played a key role in the restoration of Bulgarian independence and the establishment of the Second Bulgarian Empire in the late 12th century.
-
D.
Peter I of Bulgaria
Peter I of Bulgaria was a 10th-century tsar of the First Bulgarian Empire known for his long and relatively peaceful reign, during which Bulgaria strengthened its Christianity and diplomatic ties with Byzantium.
-
E.
Samuel of Bulgaria
Samuel of Bulgaria was a medieval Tsar who led the First Bulgarian Empire at its height around the turn of the 11th century, fiercely resisting Byzantine expansion until its eventual conquest.
- 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: Prince Kiril of Bulgaria Target entity description: Prince Kiril of Bulgaria was a Bulgarian royal prince who served as regent during World War II and was executed by the communist regime in 1945.
-
A.
Prince Kyril of Bulgaria
Prince Kyril of Bulgaria is a Spanish-born financier and environmental advocate, best known as the second son of Bulgaria’s last tsar, Simeon II, and a prominent member of the former Bulgarian royal family.
-
B.
Simeon II of Bulgaria
Simeon II of Bulgaria is the former Tsar of Bulgaria who later returned to the country as a democratic politician and served as its prime minister.
-
C.
Peter IV of Bulgaria
Peter IV of Bulgaria was a medieval Bulgarian tsar who played a key role in the restoration of Bulgarian independence and the establishment of the Second Bulgarian Empire in the late 12th century.
-
D.
Peter I of Bulgaria
Peter I of Bulgaria was a 10th-century tsar of the First Bulgarian Empire known for his long and relatively peaceful reign, during which Bulgaria strengthened its Christianity and diplomatic ties with Byzantium.
-
E.
Samuel of Bulgaria
Samuel of Bulgaria was a medieval Tsar who led the First Bulgarian Empire at its height around the turn of the 11th century, fiercely resisting Byzantine expansion until its eventual conquest.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
20th-century Bulgarian politician
ⓘ
Bulgarian prince ⓘ regent ⓘ royal person ⓘ |
| burialPlace | mass grave near Sofia (exact location uncertain) ⓘ |
| causeOfDeath | execution by firing squad ⓘ |
| convictedBy |
People's Court of Bulgaria
ⓘ
linked to:
People's Court trials in Bulgaria
|
| conviction | war crimes ⓘ |
| convictionStatus | posthumously considered controversial ⓘ |
| coRegentWith |
Bogdan Filov
ⓘ
General Nikola Mihov ⓘ |
| countryOfCitizenship | Kingdom of Bulgaria ⓘ |
| dateOfBirth | 1895-11-17 ⓘ |
| dateOfDeath | 1945-02-01 ⓘ |
| education | educated in Bulgaria ⓘ |
| era | World War II era ⓘ |
| father | Ferdinand I of Bulgaria ⓘ |
| fullName | Kiril Preslavski ⓘ |
| gender | male ⓘ |
| givenName |
Kiril
ⓘ
linked to:
Kirill
|
| killedBy |
Bulgarian communist regime
ⓘ
People's Court of Bulgaria ⓘ
linked to:
People's Court trials in Bulgaria
|
| mannerOfDeath | execution ⓘ |
| memberOfDynasty |
House of Saxe-Coburg and Gotha-Koháry
ⓘ
linked to:
House of Saxe-Coburg and Gotha
|
| mother | Princess Marie Louise of Bourbon-Parma ⓘ |
| nativeLanguage | Bulgarian ⓘ |
| nobleTitle |
Prince of Preslav
ⓘ
linked to:
Kyril, Prince of Preslav
|
| notableEvent |
appointed regent after the death of Tsar Boris III in 1943
ⓘ
arrested following the communist takeover in Bulgaria in 1944 ⓘ executed after a sentence by the People's Court in 1945 ⓘ |
| occupation |
politician
ⓘ
royal courtier ⓘ |
| participatedIn | World War II ⓘ |
| placeOfBirth |
Sofia, Bulgaria
ⓘ
linked to:
Sofia
|
| placeOfDeath |
Sofia, Bulgaria
ⓘ
linked to:
Sofia
|
| positionHeld | Prince Regent of Bulgaria ⓘ |
| regencyEndTime | 1944 ⓘ |
| regencyFor | Simeon II of Bulgaria ⓘ |
| regencyStartTime | 1943 ⓘ |
| religion |
Eastern Orthodox Church
ⓘ
linked to:
Eastern Orthodox Christianity
|
| residence |
Sofia, Bulgaria
ⓘ
linked to:
Sofia
|
| roleDuringWorldWarII | member of the Bulgarian Regency Council ⓘ |
| royalTitle |
Prince of Bulgaria
ⓘ
linked to:
Prince Asen of Bulgaria
|
| sibling |
Boris III of Bulgaria
ⓘ
Princess Eudoxia of Bulgaria ⓘ Princess Nadezhda of Bulgaria ⓘ |
| titleAtBirth |
Prince of Bulgaria
ⓘ
linked to:
Prince Asen of Bulgaria
|
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: Prince Kiril of Bulgaria Description of subject: Prince Kiril of Bulgaria was a Bulgarian royal prince who served as regent during World War II and was executed by the communist regime in 1945.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
Ferdinand Maximilian Karl Leopold Maria of Saxe-Coburg and Gotha
→
child
→
Prince Kiril of Bulgaria
ⓘ
subject linked to:
His Majesty Tsar Ferdinand I, Tsar of the Bulgarians