Percy Yutar
E251026
Percy Yutar was a South African state prosecutor best known for leading the case against Nelson Mandela and other anti-apartheid activists during the Rivonia Trial.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Percy Yutar canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2277905 — 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: Percy Yutar Context triple: [Rivonia Trial, prosecutor, Percy Yutar]
-
A.
Max Pirkis
Max Pirkis is a British actor best known for his role as midshipman Lord Blakeney in the historical naval film "Master and Commander: The Far Side of the World."
-
B.
Perry Hamer
Perry Hamer was the husband of prominent civil rights activist Fannie Lou Hamer and a supportive partner in her work for racial and social justice in Mississippi.
-
C.
Cliff Hagan
Cliff Hagan is an American Hall of Fame basketball player best known for his scoring prowess with the St. Louis Hawks and later as a player-coach in the ABA.
-
D.
Eugene Maurice
Eugene Maurice was a 17th-century French nobleman and military commander who held the title of Count of Soissons.
-
E.
Louis Nelson
Louis Nelson is an American graphic designer best known for creating the powerful visual narrative elements of the Korean War Veterans Memorial in Washington, D.C.
- 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: Percy Yutar Target entity description: Percy Yutar was a South African state prosecutor best known for leading the case against Nelson Mandela and other anti-apartheid activists during the Rivonia Trial.
-
A.
Max Pirkis
Max Pirkis is a British actor best known for his role as midshipman Lord Blakeney in the historical naval film "Master and Commander: The Far Side of the World."
-
B.
Perry Hamer
Perry Hamer was the husband of prominent civil rights activist Fannie Lou Hamer and a supportive partner in her work for racial and social justice in Mississippi.
-
C.
Cliff Hagan
Cliff Hagan is an American Hall of Fame basketball player best known for his scoring prowess with the St. Louis Hawks and later as a player-coach in the ABA.
-
D.
Eugene Maurice
Eugene Maurice was a 17th-century French nobleman and military commander who held the title of Count of Soissons.
-
E.
Louis Nelson
Louis Nelson is an American graphic designer best known for creating the powerful visual narrative elements of the Korean War Veterans Memorial in Washington, D.C.
- F. None of above. chosen
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf |
human
ⓘ
lawyer ⓘ prosecutor ⓘ |
| causeOfNotability | role in the trial that led to Nelson Mandela’s life imprisonment ⓘ |
| countryOfCitizenship | South Africa ⓘ |
| dateOfBirth | 1911-07-29 ⓘ |
| dateOfDeath | 2002-07-13 ⓘ |
| educatedAt | University of Cape Town ⓘ |
| employer |
South Africa
ⓘ
surface form:
South African state
|
| era | 20th century ⓘ |
| ethnicGroup | Jewish ⓘ |
| fieldOfStudy | law ⓘ |
| gender | male ⓘ |
| hasNotableStudentOrAssociate | members of the apartheid-era prosecution service ⓘ |
| knownFor | vigorous prosecution strategy in the Rivonia Trial ⓘ |
| languageSpoken | English ⓘ |
| legalSystem | Roman-Dutch law in South Africa ⓘ |
| movement | apartheid-era South African legal system ⓘ |
| nationality | South African ⓘ |
| notableCase | Rivonia Trial ⓘ |
| notableFor |
leading the prosecution in the Rivonia Trial
ⓘ
prosecuting Nelson Mandela ⓘ prosecuting anti-apartheid activists ⓘ |
| occupation |
lawyer
ⓘ
state prosecutor ⓘ |
| opponent |
Ahmed Kathrada
ⓘ
Govan Mbeki ⓘ Nelson Mandela ⓘ Walter Sisulu ⓘ other African National Congress leaders ⓘ |
| partOf | South African judiciary during apartheid ⓘ |
| placeOfBirth |
Cape Province
ⓘ
Cape Town ⓘ Dominion of South Africa ⓘ
surface form:
Union of South Africa
|
| placeOfDeath |
Gauteng
ⓘ
Johannesburg, South Africa ⓘ
surface form:
Johannesburg
South Africa ⓘ |
| positionHeld | Deputy Attorney General of the Transvaal ⓘ |
| religion | Judaism ⓘ |
| role | lead prosecutor in the Rivonia Trial ⓘ |
| workLocation |
Johannesburg, South Africa
ⓘ
surface form:
Johannesburg
South Africa ⓘ |
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: Percy Yutar Description of subject: Percy Yutar was a South African state prosecutor best known for leading the case against Nelson Mandela and other anti-apartheid activists during the Rivonia Trial.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.