Ludo Bagman
E391590
British wizard
Fictional character
Head of Department of Magical Games and Sports
Ministry of Magic employee
Quidditch player
Wizard
Ludo Bagman is a jovial but irresponsible former Quidditch star who serves as head of the Department of Magical Games and Sports and plays a dubious role in the events surrounding the Triwizard Tournament.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Ludo Bagman canonical | 1 |
| Ludo Bagman (film character) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3795460 — 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: Ludo Bagman Context triple: [Harry Potter and the Goblet of Fire, character, Ludo Bagman]
-
A.
Gussie Fink-Nottle
Gussie Fink-Nottle is a shy, newt-obsessed friend of Bertie Wooster in P. G. Wodehouse’s Jeeves stories, known for his timidity and comic misadventures.
-
B.
Gilderoy Lockhart
Gilderoy Lockhart is a vain, self-absorbed wizard and celebrity author who briefly serves as Defense Against the Dark Arts professor at Hogwarts in the Harry Potter series.
-
C.
Barty Crouch Jr.
Barty Crouch Jr. is a dark wizard and devoted Death Eater in the Harry Potter series, best known for impersonating Mad-Eye Moody to help Voldemort return to power.
-
D.
Griphook
Griphook is a goblin banker from Gringotts in the Harry Potter series, known for guiding Harry to his vault and later helping him break into Bellatrix Lestrange’s vault.
-
E.
Aberforth Dumbledore
Aberforth Dumbledore is a gruff but loyal wizard who runs the Hog's Head Inn in Hogsmeade and plays a key supporting role in the later events of the Harry Potter series.
- 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: Ludo Bagman Target entity description: Ludo Bagman is a jovial but irresponsible former Quidditch star who serves as head of the Department of Magical Games and Sports and plays a dubious role in the events surrounding the Triwizard Tournament.
-
A.
Gussie Fink-Nottle
Gussie Fink-Nottle is a shy, newt-obsessed friend of Bertie Wooster in P. G. Wodehouse’s Jeeves stories, known for his timidity and comic misadventures.
-
B.
Gilderoy Lockhart
Gilderoy Lockhart is a vain, self-absorbed wizard and celebrity author who briefly serves as Defense Against the Dark Arts professor at Hogwarts in the Harry Potter series.
-
C.
Barty Crouch Jr.
Barty Crouch Jr. is a dark wizard and devoted Death Eater in the Harry Potter series, best known for impersonating Mad-Eye Moody to help Voldemort return to power.
-
D.
Griphook
Griphook is a goblin banker from Gringotts in the Harry Potter series, known for guiding Harry to his vault and later helping him break into Bellatrix Lestrange’s vault.
-
E.
Aberforth Dumbledore
Aberforth Dumbledore is a gruff but loyal wizard who runs the Hog's Head Inn in Hogsmeade and plays a key supporting role in the later events of the Harry Potter series.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
British wizard
ⓘ
Fictional character ⓘ Head of Department of Magical Games and Sports ⓘ Ministry of Magic employee ⓘ Quidditch player ⓘ Wizard ⓘ |
| accusedOf | Passing information to Death Eaters ⓘ |
| affiliation |
Department of Magical Games and Sports (fictional)
ⓘ
surface form:
Department of Magical Games and Sports
Ministry of Magic ⓘ |
| appearsIn |
Harry Potter and the Goblet of Fire
ⓘ
Harry Potter novel series ⓘ
surface form:
Harry Potter series
|
| attemptsTo | Help Harry Potter in the Triwizard Tournament ⓘ |
| conflictWith | Goblins over unpaid gambling debts ⓘ |
| creator | J. K. Rowling ⓘ |
| defendedBy |
Barty Crouch Sr.
ⓘ
surface form:
Barty Crouch Sr. (indirectly, through his own testimony)
|
| familyName | Bagman ⓘ |
| fullName | Ludovic Bagman ⓘ |
| gamblingHabit |
Owes gold to goblins
ⓘ
Places bets on Quidditch matches ⓘ |
| gender | Male ⓘ |
| givenName | Ludo ⓘ |
| houseTeam | Wimbourne Wasps ⓘ |
| interaction |
Interacts frequently with Harry Potter during the Triwizard Tournament
ⓘ
Makes a bet with Fred Weasley and George Weasley ⓘ |
| knownFor |
Involvement in the Triwizard Tournament organization
ⓘ
Outstanding Beater for the Wimbourne Wasps ⓘ Role in the 1994 Quidditch World Cup organization ⓘ |
| language | English ⓘ |
| legalIssue | Tried before the Wizengamot for association with Death Eaters ⓘ |
| loyalty | Ministry of Magic rather than Death Eaters ⓘ |
| medium | Literature ⓘ |
| nationality | British ⓘ |
| notableCharacteristic | Booming, enthusiastic voice ⓘ |
| occupation |
Head of the Department of Magical Games and Sports
ⓘ
Quidditch Beater ⓘ |
| personalityTrait |
Gambling-prone
ⓘ
Irresponsible ⓘ Jovial ⓘ |
| positionInQuidditch | Beater ⓘ |
| relative | Otto Bagman ⓘ |
| reputation | Famous Quidditch star ⓘ |
| roleInEvent |
Announcer at the 1994 Quidditch World Cup
ⓘ
Judge in the Triwizard Tournament ⓘ Organizer of the 422nd Quidditch World Cup ⓘ |
| species | Human ⓘ |
| timePeriodActive | Late 20th century ⓘ |
| universe | Wizarding World ⓘ |
| verdict | Acquitted by the Wizengamot ⓘ |
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: Ludo Bagman Description of subject: Ludo Bagman is a jovial but irresponsible former Quidditch star who serves as head of the Department of Magical Games and Sports and plays a dubious role in the events surrounding the Triwizard Tournament.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Ludo Bagman (film character)