Pérez-Castejón
E129980
Pérez-Castejón is the compound surname of Spanish politician Pedro Sánchez, reflecting his paternal and maternal family lineages.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Pérez-Castejón canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T1078624 — 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: Pérez-Castejón Context triple: [Pedro Sánchez, familyName, Pérez-Castejón]
-
A.
Azaña
Azaña is the surname of Manuel Azaña, a prominent Spanish politician and writer who served as President of the Second Spanish Republic.
-
B.
Boyeros
Boyeros is a municipality in Havana, Cuba, known for hosting the country’s main international gateway, José Martí International Airport.
-
C.
Zorreguieta
Zorreguieta is an Argentine family name best known as the maiden surname of Queen Máxima of the Netherlands.
-
D.
Madariaga
Madariaga is a central character in the 1921 silent war drama "The Four Horsemen of the Apocalypse," often depicted as a wealthy, strong-willed Argentine patriarch whose family is torn apart by World War I.
-
E.
Buenaventura de Abarzuza
Buenaventura de Abarzuza was a Spanish diplomat and politician who notably served as Spain’s representative in key late 19th-century international negotiations.
- 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: Pérez-Castejón Target entity description: Pérez-Castejón is the compound surname of Spanish politician Pedro Sánchez, reflecting his paternal and maternal family lineages.
-
A.
Azaña
Azaña is the surname of Manuel Azaña, a prominent Spanish politician and writer who served as President of the Second Spanish Republic.
-
B.
Boyeros
Boyeros is a municipality in Havana, Cuba, known for hosting the country’s main international gateway, José Martí International Airport.
-
C.
Zorreguieta
Zorreguieta is an Argentine family name best known as the maiden surname of Queen Máxima of the Netherlands.
-
D.
Madariaga
Madariaga is a central character in the 1921 silent war drama "The Four Horsemen of the Apocalypse," often depicted as a wealthy, strong-willed Argentine patriarch whose family is torn apart by World War I.
-
E.
Buenaventura de Abarzuza
Buenaventura de Abarzuza was a Spanish diplomat and politician who notably served as Spain’s representative in key late 19th-century international negotiations.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
Spanish-language surname
ⓘ
compound surname ⓘ family name ⓘ |
| category |
Iberian surnames
ⓘ
Spanish compound surnames ⓘ Spanish-language surnames ⓘ |
| componentSurname |
Castejón
ⓘ
Pérez ⓘ |
| followsIberianNamingCustom | true ⓘ |
| followsOrder |
maternal surname second
ⓘ
paternal surname first ⓘ |
| genderForm | unmarked for gender ⓘ |
| hasDiacritic | é in Pérez ⓘ |
| hasLanguage | Spanish ⓘ |
| hasNotableBearer | Pedro Sánchez ⓘ |
| isHereditary | true ⓘ |
| isMaternalSurnameOf | Pedro Sánchez ⓘ |
| isPaternalSurnameOf | Pedro Sánchez ⓘ |
| namingTradition | Spanish naming customs ⓘ |
| orthographicFeature | contains hyphen ⓘ |
| regionOfOrigin | Iberian Peninsula ⓘ |
| script | Latin alphabet ⓘ |
| surnameType |
patronymic (Pérez component)
ⓘ
toponymic (Castejón component) ⓘ |
| usedInCountry | Spain ⓘ |
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: Pérez-Castejón Description of subject: Pérez-Castejón is the compound surname of Spanish politician Pedro Sánchez, reflecting his paternal and maternal family lineages.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.