Margaret Sanger
E144200
Margaret Sanger was an American birth control activist, sex educator, and nurse who founded organizations that evolved into Planned Parenthood and played a pivotal role in the reproductive rights movement.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Margaret Sanger canonical | 2 |
| Margaret Higgins Sanger | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1259974 — 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: Margaret Sanger Context triple: [Bread and Roses Strike, keyPerson, Margaret Sanger]
-
A.
Harriet Brackett Spence Lowell
Harriet Brackett Spence Lowell was the mother of American poet and critic James Russell Lowell and a member of the prominent Lowell family of New England.
-
B.
Ethel Wayman
Ethel Wayman was the wife of British humorist and novelist P. G. Wodehouse.
-
C.
Frances Loeb
Frances Loeb was an American magazine publisher and philanthropist best known as the former wife of television producer Norman Lear and as the founder of the feminist magazine Ms. Magazine.
-
D.
Henrietta Hill Swope
Henrietta Hill Swope was an American astronomer known for her pioneering work on variable stars and for being one of the first women to make significant contributions to modern observational astronomy.
-
E.
Florence Kelley
Florence Kelley was a prominent American social and political reformer who championed labor rights, child welfare, and women's suffrage in the late 19th and early 20th centuries.
- 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: Margaret Sanger Target entity description: Margaret Sanger was an American birth control activist, sex educator, and nurse who founded organizations that evolved into Planned Parenthood and played a pivotal role in the reproductive rights movement.
-
A.
Harriet Brackett Spence Lowell
Harriet Brackett Spence Lowell was the mother of American poet and critic James Russell Lowell and a member of the prominent Lowell family of New England.
-
B.
Ethel Wayman
Ethel Wayman was the wife of British humorist and novelist P. G. Wodehouse.
-
C.
Frances Loeb
Frances Loeb was an American magazine publisher and philanthropist best known as the former wife of television producer Norman Lear and as the founder of the feminist magazine Ms. Magazine.
-
D.
Henrietta Hill Swope
Henrietta Hill Swope was an American astronomer known for her pioneering work on variable stars and for being one of the first women to make significant contributions to modern observational astronomy.
-
E.
Florence Kelley
Florence Kelley was a prominent American social and political reformer who championed labor rights, child welfare, and women's suffrage in the late 19th and early 20th centuries.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
birth control activist
ⓘ
feminist ⓘ human ⓘ nurse ⓘ sex educator ⓘ |
| advocated |
legalization of contraception
ⓘ
sex education ⓘ women's reproductive autonomy ⓘ |
| associatedWith | eugenics movement ⓘ |
| birthName | Margaret Louise Higgins ⓘ |
| causeOfDeath | congestive heart failure ⓘ |
| child |
Grant Sanger
ⓘ
Peggy Sanger ⓘ Stuart Sanger ⓘ |
| countryOfCitizenship | United States of America ⓘ |
| dateOfBirth | 1879-09-14 ⓘ |
| dateOfDeath | 1966-09-06 ⓘ |
| educatedAt |
Claverack College
ⓘ
White Plains Hospital (nursing training) ⓘ |
| familyName | Sanger ⓘ |
| founded |
Planned Parenthood
ⓘ
surface form:
American Birth Control League
Birth Control Clinical Research Bureau ⓘ |
| fullName |
Margaret Sanger
self-linksurface differs
ⓘ
surface form:
Margaret Higgins Sanger
|
| givenName | Margaret ⓘ |
| honoredBy | inclusion in Time 100 People of the Century list ⓘ |
| knownFor | opening the first birth control clinic in the United States ⓘ |
| laterReligion | agnosticism ⓘ |
| movement |
birth control movement
ⓘ
reproductive rights movement ⓘ women's rights movement ⓘ |
| notableFor |
advocacy of birth control
ⓘ
founding organizations that evolved into Planned Parenthood ⓘ |
| notableWork |
An Autobiography
ⓘ
Family Limitation ⓘ My Fight for Birth Control ⓘ Woman and the New Race ⓘ |
| occupation |
activist
ⓘ
lecturer ⓘ nurse ⓘ writer ⓘ |
| opened | Brownsville Clinic ⓘ |
| organizationThatEvolvedInto |
Planned Parenthood
ⓘ
surface form:
Planned Parenthood Federation of America
|
| placeOfActivity |
New York City, New York, United States of America
ⓘ
surface form:
New York City, New York, United States
|
| placeOfBirth |
Corning, New York
ⓘ
surface form:
Corning, New York, United States
|
| placeOfDeath | Tucson, Arizona, United States ⓘ |
| politicalAlignment | progressive ⓘ |
| religion | raised Roman Catholic ⓘ |
| sibling | Ethel Higgins Byrne ⓘ |
| spouse |
James Noah H. Slee
ⓘ
William Sanger ⓘ |
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: Margaret Sanger Description of subject: Margaret Sanger was an American birth control activist, sex educator, and nurse who founded organizations that evolved into Planned Parenthood and played a pivotal role in the reproductive rights movement.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Margaret Higgins Sanger