Madame Sebastian
E887418
Madame Sebastian is a character in Alfred Hitchcock’s film "Notorious," known as the domineering and suspicious mother of Nazi agent Alexander Sebastian.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Leopoldine Konstantin as Madame Sebastian | 1 |
| Madame Sebastian canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10811552 — 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: Madame Sebastian Context triple: [Alexander Sebastian, mother, Madame Sebastian]
-
A.
Sébastienne
Sébastienne is a French feminine given name, used here as part of the full name Louise Sébastienne Gély.
-
B.
Ninon Dolbin
Ninon Dolbin was the second wife of German-Swiss writer Hermann Hesse, known for supporting and managing aspects of his literary life.
-
C.
Madame Hedouin
Madame Hédouin is a business-savvy, independent shop owner in Émile Zola’s novel "Pot-Bouille," representing the emerging class of self-reliant bourgeois women in 19th-century Paris.
-
D.
Madame de Menon
Madame de Menon is a virtuous and protective governess figure in Ann Radcliffe’s Gothic novel "A Sicilian Romance," serving as a moral guide and guardian to the young heroines.
-
E.
Catherine Brelet
Catherine Brelet is a French film producer best known as the wife and longtime collaborator of acclaimed Swedish actor Max von Sydow.
- 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: Madame Sebastian Target entity description: Madame Sebastian is a character in Alfred Hitchcock’s film "Notorious," known as the domineering and suspicious mother of Nazi agent Alexander Sebastian.
-
A.
Sébastienne
Sébastienne is a French feminine given name, used here as part of the full name Louise Sébastienne Gély.
-
B.
Ninon Dolbin
Ninon Dolbin was the second wife of German-Swiss writer Hermann Hesse, known for supporting and managing aspects of his literary life.
-
C.
Madame Hedouin
Madame Hédouin is a business-savvy, independent shop owner in Émile Zola’s novel "Pot-Bouille," representing the emerging class of self-reliant bourgeois women in 19th-century Paris.
-
D.
Madame de Menon
Madame de Menon is a virtuous and protective governess figure in Ann Radcliffe’s Gothic novel "A Sicilian Romance," serving as a moral guide and guardian to the young heroines.
-
E.
Catherine Brelet
Catherine Brelet is a French film producer best known as the wife and longtime collaborator of acclaimed Swedish actor Max von Sydow.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
fictional character
ⓘ
film character ⓘ |
| affiliation | Nazi network ⓘ |
| appearsIn | Notorious NERFINISHED ⓘ |
| basedIn | Rio de Janeiro (in the film) NERFINISHED ⓘ |
| characterTrait |
domineering
ⓘ
suspicious ⓘ |
| countryOfOrigin | Germany ⓘ |
| creator | Alfred Hitchcock NERFINISHED ⓘ |
| directorContext | Alfred Hitchcock NERFINISHED ⓘ |
| familyName | Sebastian NERFINISHED ⓘ |
| fictionalUniverse | Notorious (film universe) NERFINISHED ⓘ |
| filmGenreContext | romantic thriller ⓘ |
| filmReleaseYear | 1946 ⓘ |
| firstAppearance | Notorious (1946 film) NERFINISHED ⓘ |
| gender | female ⓘ |
| languageOfDialogue | English ⓘ |
| medium | cinema ⓘ |
| motherOf | Alexander Sebastian NERFINISHED ⓘ |
| narrativeRole | controlling mother figure ⓘ |
| nationalityInFiction | German ⓘ |
| notableAction |
conspires with Alexander Sebastian to poison Alicia Huberman
ⓘ
discovers Alicia Huberman is an American spy ⓘ |
| occupation | household matriarch ⓘ |
| plotFunction | antagonist ⓘ |
| portrayedBy | Leopoldine Konstantin NERFINISHED ⓘ |
| productionCompanyContext | RKO Radio Pictures NERFINISHED ⓘ |
| relationship |
enemy of Alicia Huberman
ⓘ
mother and protector of Alexander Sebastian ⓘ |
| screenwriterContext | Ben Hecht 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: Madame Sebastian Description of subject: Madame Sebastian is a character in Alfred Hitchcock’s film "Notorious," known as the domineering and suspicious mother of Nazi agent Alexander Sebastian.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Alexander Sebastian
this entity surface form:
Leopoldine Konstantin as Madame Sebastian