Leon Breiner
E477952
Leon Breiner was a white neighbor who was shot and killed during the 1925 Ossian Sweet incident in Detroit, a racially charged confrontation that led to a landmark civil rights trial.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Leon Breiner canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T4847124 — 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: Leon Breiner Context triple: [Ossian Sweet trial, hasVictim, Leon Breiner]
-
A.
Bruno Loerzer
Bruno Loerzer was a prominent German First World War fighter ace who later became a high-ranking Luftwaffe general during the Nazi era.
-
B.
René Mayer
René Mayer was a French politician who served as Prime Minister of France and later became a leading figure in early European integration efforts.
-
C.
Abraham Palatnik
Abraham Palatnik was a pioneering Brazilian artist and inventor best known for his groundbreaking kinetic and technological artworks that helped define the country's postwar avant-garde.
-
D.
Raoul Hausmann
Raoul Hausmann was an Austrian-born artist and writer best known as a leading figure of the Berlin Dada movement, pioneering photomontage and experimental sound poetry.
-
E.
Robert Hartmann
Robert Hartmann is a technology entrepreneur best known as a founder of the semiconductor company Altera.
- 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: Leon Breiner Target entity description: Leon Breiner was a white neighbor who was shot and killed during the 1925 Ossian Sweet incident in Detroit, a racially charged confrontation that led to a landmark civil rights trial.
-
A.
Bruno Loerzer
Bruno Loerzer was a prominent German First World War fighter ace who later became a high-ranking Luftwaffe general during the Nazi era.
-
B.
René Mayer
René Mayer was a French politician who served as Prime Minister of France and later became a leading figure in early European integration efforts.
-
C.
Abraham Palatnik
Abraham Palatnik was a pioneering Brazilian artist and inventor best known for his groundbreaking kinetic and technological artworks that helped define the country's postwar avant-garde.
-
D.
Raoul Hausmann
Raoul Hausmann was an Austrian-born artist and writer best known as a leading figure of the Berlin Dada movement, pioneering photomontage and experimental sound poetry.
-
E.
Robert Hartmann
Robert Hartmann is a technology entrepreneur best known as a founder of the semiconductor company Altera.
- F. None of above. chosen
Statements (28)
| Predicate | Object |
|---|---|
| instanceOf |
human
ⓘ
shooting victim ⓘ |
| associatedWith |
racial tensions in Detroit housing
ⓘ
white mob surrounding Ossian Sweet’s home ⓘ |
| causeOfDeath | gunshot wound ⓘ |
| countryOfDeath |
United States
ⓘ
linked to:
United States of America
|
| dateOfDeath | 1925 ⓘ |
| deathContext | racially charged confrontation at Ossian Sweet’s house ⓘ |
| ethnicity | white ⓘ |
| hasRole | neighbor of Ossian Sweet ⓘ |
| historicalEra |
1920s in Detroit
ⓘ
Jim Crow era in the United States ⓘ
linked to:
Jim Crow laws
|
| impactOn | public debate over self-defense and racial violence in housing disputes ⓘ |
| legalCaseContext | Sweet family murder trial ⓘ |
| legalSignificanceContext | landmark civil rights trial involving Ossian Sweet ⓘ |
| locatedNearEvent | Ossian Sweet house, Detroit ⓘ |
| mannerOfDeath | homicide ⓘ |
| mentionedInContextOf | Ossian Sweet trial ⓘ |
| name | Leon Breiner ⓘ |
| notableFor | being killed during the Ossian Sweet incident ⓘ |
| participantIn |
1925 Ossian Sweet confrontation
ⓘ
Ossian Sweet incident ⓘ
linked to:
Ossian Sweet trial
|
| partOfNarrative |
Clarence Darrow’s defense of Ossian Sweet and others
ⓘ
events leading to NAACP-supported defense of Ossian Sweet ⓘ |
| placeOfDeath |
Detroit, Michigan
ⓘ
linked to:
Detroit
|
| relevantTo |
civil rights history in the United States
ⓘ
racially motivated violence in 1920s Detroit ⓘ |
| significantEvent | death during the Ossian Sweet incident ⓘ |
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: Leon Breiner Description of subject: Leon Breiner was a white neighbor who was shot and killed during the 1925 Ossian Sweet incident in Detroit, a racially charged confrontation that led to a landmark civil rights trial.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.