Phineas Nigellus Black
E929622
Phineas Nigellus Black is a former Slytherin Headmaster of Hogwarts and a portrait-bound ancestor of Sirius Black in the Harry Potter series.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Phineas Nigellus Black canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T11471388 — 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: Phineas Nigellus Black Context triple: [Black family, notableMember, Phineas Nigellus Black]
-
A.
Regulus Arcturus Black
Regulus Arcturus Black is a minor yet pivotal character in the Harry Potter series, a former Slytherin and Death Eater who ultimately defies Voldemort by attempting to destroy one of his Horcruxes.
-
B.
Tobias Snape
Tobias Snape is the Muggle father of Severus Snape in the Harry Potter series, depicted as a harsh and often abusive figure in his son's troubled childhood.
-
C.
Marvolo Gaunt
Marvolo Gaunt is a pure-blood wizard from the Harry Potter series, notable as a violent, impoverished descendant of Salazar Slytherin and a key link in Lord Voldemort’s dark family lineage.
-
D.
Walburga Black
Walburga Black is a pure-blood witch from the Harry Potter series, known as the fanatically traditional and prejudiced matriarch of the Black family whose portrait hangs in 12 Grimmauld Place.
-
E.
Abraxas Malfoy
Abraxas Malfoy is a pure-blood wizard from the influential Malfoy family, known primarily as the father of Lucius Malfoy and a former patriarch of the family's aristocratic lineage.
- 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: Phineas Nigellus Black Target entity description: Phineas Nigellus Black is a former Slytherin Headmaster of Hogwarts and a portrait-bound ancestor of Sirius Black in the Harry Potter series.
-
A.
Regulus Arcturus Black
Regulus Arcturus Black is a minor yet pivotal character in the Harry Potter series, a former Slytherin and Death Eater who ultimately defies Voldemort by attempting to destroy one of his Horcruxes.
-
B.
Tobias Snape
Tobias Snape is the Muggle father of Severus Snape in the Harry Potter series, depicted as a harsh and often abusive figure in his son's troubled childhood.
-
C.
Marvolo Gaunt
Marvolo Gaunt is a pure-blood wizard from the Harry Potter series, notable as a violent, impoverished descendant of Salazar Slytherin and a key link in Lord Voldemort’s dark family lineage.
-
D.
Walburga Black
Walburga Black is a pure-blood witch from the Harry Potter series, known as the fanatically traditional and prejudiced matriarch of the Black family whose portrait hangs in 12 Grimmauld Place.
-
E.
Abraxas Malfoy
Abraxas Malfoy is a pure-blood wizard from the influential Malfoy family, known primarily as the father of Lucius Malfoy and a former patriarch of the family's aristocratic lineage.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Hogwarts headmaster
ⓘ
Slytherin alumnus ⓘ fictional character ⓘ pure-blood ⓘ wizard ⓘ |
| affiliation |
Hogwarts School of Witchcraft and Wizardry
NERFINISHED
ⓘ
Order of the Phoenix NERFINISHED ⓘ |
| appearsIn |
Harry Potter and the Deathly Hallows
ⓘ
Harry Potter and the Order of the Phoenix NERFINISHED ⓘ Harry Potter series NERFINISHED ⓘ |
| bloodStatus | pure-blood ⓘ |
| canTravelBetweenPortraits | true ⓘ |
| communicatesWith |
Albus Dumbledore
NERFINISHED
ⓘ
Harry Potter NERFINISHED ⓘ Severus Snape NERFINISHED ⓘ |
| createdBy | J. K. Rowling NERFINISHED ⓘ |
| education | Hogwarts School of Witchcraft and Wizardry NERFINISHED ⓘ |
| familyName | Black NERFINISHED ⓘ |
| gender | male ⓘ |
| hasChild |
Arcturus Black I
NERFINISHED
ⓘ
Belvina Black NERFINISHED ⓘ Cygnus Black I NERFINISHED ⓘ Phineas Black NERFINISHED ⓘ Sirius Black I NERFINISHED ⓘ |
| houseAffiliation | House of Black NERFINISHED ⓘ |
| houseAtHogwarts | Slytherin NERFINISHED ⓘ |
| houseElfServedBy | Kreacher NERFINISHED ⓘ |
| isAncestorOf |
Andromeda Tonks
NERFINISHED
ⓘ
Bellatrix Lestrange NERFINISHED ⓘ Narcissa Malfoy NERFINISHED ⓘ Sirius Black NERFINISHED ⓘ |
| knownFor |
being the least popular Headmaster of Hogwarts
ⓘ
loyalty to the Black family ⓘ sarcastic personality ⓘ |
| language | English ⓘ |
| laterAssists |
Albus Dumbledore
NERFINISHED
ⓘ
Order of the Phoenix NERFINISHED ⓘ |
| medium | portrait ⓘ |
| memberOf | House of Black NERFINISHED ⓘ |
| nationality | British ⓘ |
| occupation |
Headmaster of Hogwarts School of Witchcraft and Wizardry
ⓘ
teacher ⓘ |
| portraitLocation |
12 Grimmauld Place
NERFINISHED
ⓘ
Headmaster's office at Hogwarts NERFINISHED ⓘ |
| residenceInLife | 12 Grimmauld Place NERFINISHED ⓘ |
| species | human ⓘ |
| supports | pure-blood supremacy (in life) ⓘ |
| universe | Wizarding World 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: Phineas Nigellus Black Description of subject: Phineas Nigellus Black is a former Slytherin Headmaster of Hogwarts and a portrait-bound ancestor of Sirius Black in the Harry Potter series.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.