Princess Nadezhda of Bulgaria
E395018
Princess Nadezhda of Bulgaria was a Bulgarian princess of the House of Saxe-Coburg and Gotha, the youngest daughter of Tsar Ferdinand I and a member of Bulgaria’s last reigning royal family.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Princess Nadezhda of Bulgaria canonical | 5 |
| Princess Nadezhda Klementine Maria Pia of Bulgaria | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3806603 — 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: Princess Nadezhda of Bulgaria Context triple: [Bulgarian royal family, member, Princess Nadezhda of Bulgaria]
-
A.
Princess Eudoxia of Bulgaria
Princess Eudoxia of Bulgaria was a Bulgarian princess and daughter of Tsar Ferdinand I, known for her close involvement in the cultural and social life of the Bulgarian royal court in the early 20th century.
-
B.
Princess Marie Louise of Bulgaria
Princess Marie Louise of Bulgaria is the eldest daughter of King Simeon II and a member of the former Bulgarian royal family, known for her charitable work and role in preserving Bulgaria’s royal heritage.
-
C.
Maria Mikhailovna of Russia
Maria Mikhailovna of Russia was a 17th-century Russian tsarevna, the daughter of Tsar Mikhail I and a member of the early Romanov dynasty.
-
D.
Maria of Borovsk
Maria of Borovsk was a 15th-century Russian princess and Grand Princess of Moscow, known primarily as the wife of Grand Prince Vasily II and the mother of Ivan III, who greatly expanded the Russian state.
-
E.
Natalia Alexeievna of Russia
Natalia Alexeievna of Russia was a Russian princess of the Romanov dynasty, known as the sister of Emperor Peter II.
- 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: Princess Nadezhda of Bulgaria Target entity description: Princess Nadezhda of Bulgaria was a Bulgarian princess of the House of Saxe-Coburg and Gotha, the youngest daughter of Tsar Ferdinand I and a member of Bulgaria’s last reigning royal family.
-
A.
Princess Eudoxia of Bulgaria
Princess Eudoxia of Bulgaria was a Bulgarian princess and daughter of Tsar Ferdinand I, known for her close involvement in the cultural and social life of the Bulgarian royal court in the early 20th century.
-
B.
Princess Marie Louise of Bulgaria
Princess Marie Louise of Bulgaria is the eldest daughter of King Simeon II and a member of the former Bulgarian royal family, known for her charitable work and role in preserving Bulgaria’s royal heritage.
-
C.
Maria Mikhailovna of Russia
Maria Mikhailovna of Russia was a 17th-century Russian tsarevna, the daughter of Tsar Mikhail I and a member of the early Romanov dynasty.
-
D.
Maria of Borovsk
Maria of Borovsk was a 15th-century Russian princess and Grand Princess of Moscow, known primarily as the wife of Grand Prince Vasily II and the mother of Ivan III, who greatly expanded the Russian state.
-
E.
Natalia Alexeievna of Russia
Natalia Alexeievna of Russia was a Russian princess of the Romanov dynasty, known as the sister of Emperor Peter II.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
Bulgarian princess
ⓘ
member of Bulgarian royal family ⓘ member of the House of Saxe-Coburg and Gotha ⓘ |
| birthDate | 1899-01-30 ⓘ |
| birthPlace |
Principality of Bulgaria
ⓘ
Sofia ⓘ |
| burialPlace | Altshausen Castle ⓘ |
| child |
Duchess Margareta Luise of Württemberg
NERFINISHED
ⓘ
Duchess Sophie of Württemberg NERFINISHED ⓘ Duke Alexander Eugen of Württemberg NERFINISHED ⓘ Duke Eugen Eberhard of Württemberg NERFINISHED ⓘ Duke Ferdinand Eugen of Württemberg NERFINISHED ⓘ |
| countryOfCitizenship | Bulgaria ⓘ |
| dateOfMarriage | 1924-01-24 ⓘ |
| deathDate | 1958-09-15 ⓘ |
| deathPlace |
Stuttgart
ⓘ
West Germany ⓘ |
| era |
20th century
ⓘ
late 19th century ⓘ |
| father | Ferdinand I of Bulgaria ⓘ |
| fullName |
Princess Nadezhda Klementine Maria Pia of Bulgaria
ⓘ
linked to:
Princess Nadezhda of Bulgaria
|
| gender | female ⓘ |
| givenName | Nadezhda ⓘ |
| grandfather | Prince August of Saxe-Coburg and Gotha NERFINISHED ⓘ |
| grandmother | Princess Clémentine of Orléans NERFINISHED ⓘ |
| house |
Saxe-Coburg and Gotha
ⓘ
linked to:
House of Saxe-Coburg and Gotha
Württemberg ⓘ |
| languageOfName | Bulgarian ⓘ |
| maternalGrandfather | Robert I, Duke of Parma ⓘ |
| maternalGrandmother | Princess Maria Pia of Bourbon-Two Sicilies NERFINISHED ⓘ |
| memberOfDynasty |
House of Saxe-Coburg and Gotha-Koháry
ⓘ
linked to:
House of Saxe-Coburg and Gotha
|
| mother | Princess Marie Louise of Bourbon-Parma NERFINISHED ⓘ |
| nativeName | Княгиня Надежда Българска ⓘ |
| nativeNameLanguage | bg ⓘ |
| nobleTitleStart | 1899-01-30 ⓘ |
| notableRelative |
Tsar Simeon II of Bulgaria
ⓘ
linked to:
Simeon II of Bulgaria
|
| partOf |
Bulgaria’s last reigning royal family
ⓘ
linked to:
Bulgarian royal family
|
| placeOfMarriage | Sofia ⓘ |
| positionInFamily | youngest daughter of Tsar Ferdinand I of Bulgaria ⓘ |
| religion | Roman Catholicism ⓘ |
| sibling |
Boris III of Bulgaria
ⓘ
Prince Asen of Bulgaria ⓘ Prince Kiril of Bulgaria ⓘ |
| spouse | Duke Albrecht Eugen of Württemberg NERFINISHED ⓘ |
| title |
Duchess of Württemberg
NERFINISHED
ⓘ
Princess 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: Princess Nadezhda of Bulgaria Description of subject: Princess Nadezhda of Bulgaria was a Bulgarian princess of the House of Saxe-Coburg and Gotha, the youngest daughter of Tsar Ferdinand I and a member of Bulgaria’s last reigning royal family.
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
→
Princess Nadezhda of Bulgaria
ⓘ
subject linked to:
His Majesty Tsar Ferdinand I, Tsar of the Bulgarians
linked to: Princess Nadezhda of Bulgaria