Lesley Brown
E861222
Lesley Brown was a British woman known for being the mother in the world’s first successful IVF birth, that of Louise Brown in 1978.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Lesley Brown canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T10023835 — 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: Lesley Brown Context triple: [Louise Brown, mother, Lesley Brown]
-
A.
Lesley Laird
Lesley Laird is a Scottish Labour politician who served as a Member of Parliament and has been involved in UK and Scottish politics, including holding frontbench roles in the Labour Party.
-
B.
Anthea Sylbert
Anthea Sylbert is an American costume designer renowned for her work on numerous acclaimed films of the 1970s and 1980s, earning multiple Academy Award nominations.
-
C.
Lesley Walker
Lesley Walker is a British film editor known for her work on numerous feature films, including the 2002 adaptation of "Nicholas Nickleby."
-
D.
Carole Richardson
Carole Richardson was one of the "Guildford Four," a group of young people wrongfully convicted in the 1970s for the Guildford pub bombings in England and later exonerated after their convictions were found to be unsafe.
-
E.
Lesley Paterson
Lesley Paterson is a Scottish screenwriter, producer, and former triathlete best known for co-writing the Oscar-winning 2022 adaptation of "All Quiet on the Western Front."
- 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: Lesley Brown Target entity description: Lesley Brown was a British woman known for being the mother in the world’s first successful IVF birth, that of Louise Brown in 1978.
-
A.
Lesley Laird
Lesley Laird is a Scottish Labour politician who served as a Member of Parliament and has been involved in UK and Scottish politics, including holding frontbench roles in the Labour Party.
-
B.
Anthea Sylbert
Anthea Sylbert is an American costume designer renowned for her work on numerous acclaimed films of the 1970s and 1980s, earning multiple Academy Award nominations.
-
C.
Lesley Walker
Lesley Walker is a British film editor known for her work on numerous feature films, including the 2002 adaptation of "Nicholas Nickleby."
-
D.
Carole Richardson
Carole Richardson was one of the "Guildford Four," a group of young people wrongfully convicted in the 1970s for the Guildford pub bombings in England and later exonerated after their convictions were found to be unsafe.
-
E.
Lesley Paterson
Lesley Paterson is a Scottish screenwriter, producer, and former triathlete best known for co-writing the Oscar-winning 2022 adaptation of "All Quiet on the Western Front."
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
historical figure
ⓘ
human ⓘ |
| causeOfDeath | biliary pneumonia ⓘ |
| child |
Louise Brown
ⓘ
Natalie Brown ⓘ |
| countryOfBirth | United Kingdom ⓘ |
| countryOfCitizenship |
England
ⓘ
United Kingdom ⓘ |
| dateOfBirth | 1946-06-18 ⓘ |
| dateOfDeath | 2012-06-06 ⓘ |
| ethnicGroup | White British ⓘ |
| hasOccupation | factory worker ⓘ |
| knownAs | mother of the first “test-tube baby” ⓘ |
| languageSpoken | English ⓘ |
| medicalCondition | blocked fallopian tubes ⓘ |
| name | Lesley Brown ⓘ |
| notableEvent |
birth of Louise Brown on 1978-07-25
ⓘ
conception of Louise Brown via IVF in 1977 ⓘ |
| notableFor | being the mother in the world’s first successful IVF birth ⓘ |
| numberOfChildren | 2 ⓘ |
| placeOfBirth | Bristol ⓘ |
| placeOfDeath | Bristol ⓘ |
| religion | Christianity ⓘ |
| residence | Bristol ⓘ |
| sexOrGender | female ⓘ |
| spouse | John Brown ⓘ |
| subjectOf | media coverage on first IVF birth ⓘ |
| usedMedicalProcedure | in vitro fertilization ⓘ |
| workedWith |
Patrick Steptoe
ⓘ
Robert Edwards ⓘ |
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: Lesley Brown Description of subject: Lesley Brown was a British woman known for being the mother in the world’s first successful IVF birth, that of Louise Brown in 1978.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.