Evelyn Ntoko Mase
E51213
Evelyn Ntoko Mase was a South African nurse and the first wife of Nelson Mandela, with whom she had four children before their marriage ended in divorce.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Evelyn Ntoko Mase canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T406305 — 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: Evelyn Ntoko Mase Context triple: [Nelson Mandela, spouse, Evelyn Ntoko Mase]
-
A.
Precious Moloi-Motsepe
Precious Moloi-Motsepe is a South African physician and fashion entrepreneur best known for founding African Fashion International and her philanthropic work in education and women's empowerment.
-
B.
Kezia Aoko
Kezia Aoko is the first wife of Barack Obama Sr. and the stepmother of former U.S. President Barack Obama.
-
C.
Graça Machel
Graça Machel is a Mozambican politician and humanitarian known for her advocacy on children's and women's rights and as the widow of both Mozambican President Samora Machel and South African President Nelson Mandela.
-
D.
Siyani Chambers
Siyani Chambers is an American basketball player best known as a standout point guard who led Harvard to multiple NCAA Tournament appearances in the early 2010s.
-
E.
Bridgette Radebe
Bridgette Radebe is a South African mining entrepreneur and businesswoman, recognized as one of the country’s first black female mine owners and a prominent figure in the mining industry.
- 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: Evelyn Ntoko Mase Target entity description: Evelyn Ntoko Mase was a South African nurse and the first wife of Nelson Mandela, with whom she had four children before their marriage ended in divorce.
-
A.
Precious Moloi-Motsepe
Precious Moloi-Motsepe is a South African physician and fashion entrepreneur best known for founding African Fashion International and her philanthropic work in education and women's empowerment.
-
B.
Kezia Aoko
Kezia Aoko is the first wife of Barack Obama Sr. and the stepmother of former U.S. President Barack Obama.
-
C.
Graça Machel
Graça Machel is a Mozambican politician and humanitarian known for her advocacy on children's and women's rights and as the widow of both Mozambican President Samora Machel and South African President Nelson Mandela.
-
D.
Siyani Chambers
Siyani Chambers is an American basketball player best known as a standout point guard who led Harvard to multiple NCAA Tournament appearances in the early 2010s.
-
E.
Bridgette Radebe
Bridgette Radebe is a South African mining entrepreneur and businesswoman, recognized as one of the country’s first black female mine owners and a prominent figure in the mining industry.
- F. None of above. chosen
Statements (26)
| Predicate | Object |
|---|---|
| instanceOf |
South African
ⓘ
human ⓘ nurse ⓘ |
| child |
Makaziwe Mandela
ⓘ
surface form:
Makaziwe Mandela (first)
Makaziwe Mandela ⓘ
surface form:
Makaziwe Mandela (second)
Makgatho Mandela ⓘ Thembekile Mandela ⓘ |
| countryOfCitizenship | South Africa ⓘ |
| ethnicGroup | Xhosa people ⓘ |
| familyName | Mase ⓘ |
| givenName | Evelyn ⓘ |
| maritalStatus | divorced ⓘ |
| movement | anti-apartheid context ⓘ |
| name | Evelyn Ntoko Mase self-link ⓘ |
| notableEvent |
divorce from Nelson Mandela
ⓘ
marriage to Nelson Mandela ⓘ |
| notableFor | being the first wife of Nelson Mandela ⓘ |
| numberOfChildren | 4 ⓘ |
| occupation | nurse ⓘ |
| relative | Walter Sisulu ⓘ |
| relativeType | cousin of Walter Sisulu ⓘ |
| religion | Methodism ⓘ |
| residence |
Johannesburg, South Africa
ⓘ
surface form:
Johannesburg
|
| spouse | Nelson Mandela ⓘ |
| spouseEnd | Nelson Mandela marriage ended in divorce in 1958 ⓘ |
| spouseStart | Nelson Mandela marriage began in 1944 ⓘ |
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: Evelyn Ntoko Mase Description of subject: Evelyn Ntoko Mase was a South African nurse and the first wife of Nelson Mandela, with whom she had four children before their marriage ended in divorce.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.