Leon Feldhendler
E104620
Leon Feldhendler was a Polish Jewish resistance leader and Holocaust survivor best known for co-organizing the 1943 prisoner uprising at the Sobibor extermination camp.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Leon Feldhendler canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T349856 — 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 Feldhendler Context triple: [Sobibor uprising, organizedBy, Leon Feldhendler]
-
A.
Max Zaslofsky
Max Zaslofsky was an American professional basketball player and coach, best known as one of the NBA’s early scoring stars and later a coach in the league.
-
B.
George Weil
George Weil was a physicist who worked on the Manhattan Project and is noted for being the operator who withdrew the control rod to initiate the first self-sustaining nuclear chain reaction in Chicago Pile-1.
-
C.
Ira Hirschmann
Ira Hirschmann was an American businessman and diplomat best known for his World War II efforts to rescue Jews from the Holocaust and his later work in international affairs.
-
D.
Sam Zussman
Sam Zussman is a sports and media executive who serves as a top business leader for the NBA’s Brooklyn Nets organization.
-
E.
Allen Weisselberg
Allen Weisselberg is an American businessman and longtime chief financial officer of the Trump Organization who became widely known for his role in investigations into Donald Trump’s finances.
- 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 Feldhendler Target entity description: Leon Feldhendler was a Polish Jewish resistance leader and Holocaust survivor best known for co-organizing the 1943 prisoner uprising at the Sobibor extermination camp.
-
A.
Max Zaslofsky
Max Zaslofsky was an American professional basketball player and coach, best known as one of the NBA’s early scoring stars and later a coach in the league.
-
B.
George Weil
George Weil was a physicist who worked on the Manhattan Project and is noted for being the operator who withdrew the control rod to initiate the first self-sustaining nuclear chain reaction in Chicago Pile-1.
-
C.
Ira Hirschmann
Ira Hirschmann was an American businessman and diplomat best known for his World War II efforts to rescue Jews from the Holocaust and his later work in international affairs.
-
D.
Sam Zussman
Sam Zussman is a sports and media executive who serves as a top business leader for the NBA’s Brooklyn Nets organization.
-
E.
Allen Weisselberg
Allen Weisselberg is an American businessman and longtime chief financial officer of the Trump Organization who became widely known for his role in investigations into Donald Trump’s finances.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
Holocaust survivor
ⓘ
Polish Jew ⓘ human ⓘ resistance leader ⓘ |
| afterEscape |
continued underground activity
ⓘ
lived in hiding in Lublin ⓘ |
| burialPlace | Lublin ⓘ |
| causeOfDeath | gunshot wound ⓘ |
| commemoratedIn | memorials and histories of the Sobibor uprising ⓘ |
| coOrganizedWith | Alexander Pechersky ⓘ |
| countryOfBirth | Poland ⓘ |
| countryOfCitizenship | Poland ⓘ |
| countryOfDeath | Poland ⓘ |
| dateOfBirth | 1910-01-01 ⓘ |
| dateOfDeath | 1945-04-06 ⓘ |
| escapeFrom |
Sobibor extermination camp
ⓘ
linked to:
Sobibor
|
| ethnicGroup |
Jewish people
ⓘ
linked to:
Jews
|
| familyName | Feldhendler ⓘ |
| father | Rabbi of Zolkiewka (name unknown) ⓘ |
| givenName | Leon ⓘ |
| hasRole | uprising planner ⓘ |
| historicalPeriod |
Holocaust in Poland
ⓘ
World War II ⓘ |
| imprisonedAt |
Sobibor extermination camp
ⓘ
linked to:
Sobibor
|
| languageSpoken |
Hebrew
ⓘ
Polish ⓘ Yiddish ⓘ |
| legacy | symbol of Jewish resistance at Sobibor ⓘ |
| mannerOfDeath | assassination ⓘ |
| movement | Jewish resistance during the Holocaust ⓘ |
| name | Leon Feldhendler ⓘ |
| notableFor | co-organizing the 1943 prisoner uprising at Sobibor extermination camp ⓘ |
| notableWork | planning the Sobibor death camp revolt ⓘ |
| occupation |
community leader
ⓘ
resistance leader ⓘ |
| parentalOccupation | rabbi ⓘ |
| participatedIn | Sobibor extermination camp uprising ⓘ |
| placeOfBirth | Zolkiewka ⓘ |
| placeOfDeath | Lublin ⓘ |
| portrayedIn | films and documentaries about Sobibor uprising ⓘ |
| religion | Judaism ⓘ |
| residence |
Lublin
ⓘ
Zolkiewka ⓘ |
| roleInEvent | civilian leader of the Sobibor prisoners prior to the uprising ⓘ |
| sexOrGender | male ⓘ |
| victimOf | Holocaust ⓘ |
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 Feldhendler Description of subject: Leon Feldhendler was a Polish Jewish resistance leader and Holocaust survivor best known for co-organizing the 1943 prisoner uprising at the Sobibor extermination camp.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.