Cassandra Trelawney
E115225
Cassandra Trelawney is a witch in the Harry Potter universe known as the gifted Seer ancestor of Professor Sybill Trelawney.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Cassandra Trelawney canonical | 6 |
| Sybil Trelawney | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T971635 — 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: Cassandra Trelawney Context triple: [Sybill Trelawney, grandparent, Cassandra Trelawney]
-
A.
Dora Black
Dora Black was a British author, educator, and feminist best known for her radical views on marriage and sexuality and her influential partnership with philosopher Bertrand Russell.
-
B.
Cassandra Wilder
Cassandra Wilder is a fictional character from the American prime-time soap opera "Falcon Crest," known for her involvement in the show's intricate family and power dramas.
-
C.
Mercy Dudley
Mercy Dudley was a daughter of Thomas Dudley, the colonial governor of Massachusetts Bay Colony, and a member of a prominent early New England Puritan family.
-
D.
Rhea Langham
Rhea Langham was the second wife of Hollywood actor Clark Gable, to whom he was married during the early 1930s.
-
E.
Isabella Damon
Isabella Damon is one of American actor Matt Damon's daughters, known primarily for being part of his private family life.
- 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: Cassandra Trelawney Target entity description: Cassandra Trelawney is a witch in the Harry Potter universe known as the gifted Seer ancestor of Professor Sybill Trelawney.
-
A.
Dora Black
Dora Black was a British author, educator, and feminist best known for her radical views on marriage and sexuality and her influential partnership with philosopher Bertrand Russell.
-
B.
Cassandra Wilder
Cassandra Wilder is a fictional character from the American prime-time soap opera "Falcon Crest," known for her involvement in the show's intricate family and power dramas.
-
C.
Mercy Dudley
Mercy Dudley was a daughter of Thomas Dudley, the colonial governor of Massachusetts Bay Colony, and a member of a prominent early New England Puritan family.
-
D.
Rhea Langham
Rhea Langham was the second wife of Hollywood actor Clark Gable, to whom he was married during the early 1930s.
-
E.
Isabella Damon
Isabella Damon is one of American actor Matt Damon's daughters, known primarily for being part of his private family life.
- F. None of above. chosen
Statements (20)
| Predicate | Object |
|---|---|
| instanceOf |
Seer
ⓘ
fictional character ⓘ witch ⓘ |
| appearsInFranchise | Harry Potter ⓘ |
| belongsToFamily | Trelawney family ⓘ |
| createdBy | J. K. Rowling ⓘ |
| familyName | Trelawney ⓘ |
| gender | female ⓘ |
| hasAbility | Divination ⓘ |
| hasDescendant |
Sybill Trelawney
ⓘ
linked to:
Professor Sybill Trelawney
|
| hasReputation | famous Seer ⓘ |
| inUniverseStatus | historical figure in wizarding world ⓘ |
| isAncestorOf |
Sybill Trelawney
ⓘ
linked to:
Professor Sybill Trelawney
|
| knownFor | being a gifted Seer ⓘ |
| languageOfName | English ⓘ |
| mentionedIn | Harry Potter and the Order of the Phoenix ⓘ |
| nationality | British witch (implied) ⓘ |
| relatedTo |
Sybill Trelawney
ⓘ
linked to:
Professor Sybill Trelawney
|
| species | human ⓘ |
| universe | Harry Potter ⓘ |
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: Cassandra Trelawney Description of subject: Cassandra Trelawney is a witch in the Harry Potter universe known as the gifted Seer ancestor of Professor Sybill Trelawney.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Cassandra Trelawney
subject linked to:
Professor Sybill Trelawney
subject linked to:
Professor Sybill Trelawney
subject linked to:
Trelawney
subject linked to:
Sybill
subject linked to:
Sybill