Eugen Jan Boissevain
E875173
Eugen Jan Boissevain was a Dutch-born businessman best known as the widower of suffragist Inez Milholland and later husband of poet Edna St. Vincent Millay, who supported and promoted their activist and literary careers.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Eugen Jan Boissevain canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T10630479 — 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: Eugen Jan Boissevain Context triple: [Inez Milholland, spouse, Eugen Jan Boissevain]
-
A.
Ernst Boas
Ernst Boas was a German-born American physician and physiologist known for his work in cardiology and medical education, and as the son of anthropologist Franz Boas.
-
B.
Henry Meybohm
Henry Meybohm was a mountaineer known for participating in the first ascent of Mount Hunter in Alaska.
-
C.
Arthur Posnansky
Arthur Posnansky was an early 20th-century Bolivian engineer, explorer, and self-taught archaeologist known for his influential and controversial theories about the antiquity and significance of the Tiwanaku civilization.
-
D.
Carl Correns
Carl Correns was a German botanist and geneticist who was one of the three scientists credited with independently rediscovering Gregor Mendel’s foundational work on heredity around 1900.
-
E.
Abram Bergson
Abram Bergson was an influential American economist best known for formalizing the concept of the social welfare function and shaping modern welfare economics.
- 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: Eugen Jan Boissevain Target entity description: Eugen Jan Boissevain was a Dutch-born businessman best known as the widower of suffragist Inez Milholland and later husband of poet Edna St. Vincent Millay, who supported and promoted their activist and literary careers.
-
A.
Ernst Boas
Ernst Boas was a German-born American physician and physiologist known for his work in cardiology and medical education, and as the son of anthropologist Franz Boas.
-
B.
Henry Meybohm
Henry Meybohm was a mountaineer known for participating in the first ascent of Mount Hunter in Alaska.
-
C.
Arthur Posnansky
Arthur Posnansky was an early 20th-century Bolivian engineer, explorer, and self-taught archaeologist known for his influential and controversial theories about the antiquity and significance of the Tiwanaku civilization.
-
D.
Carl Correns
Carl Correns was a German botanist and geneticist who was one of the three scientists credited with independently rediscovering Gregor Mendel’s foundational work on heredity around 1900.
-
E.
Abram Bergson
Abram Bergson was an influential American economist best known for formalizing the concept of the social welfare function and shaping modern welfare economics.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
Dutch emigrant to the United States
ⓘ
businessman ⓘ human ⓘ |
| countryOfBirth | Netherlands NERFINISHED ⓘ |
| countryOfCitizenship | Netherlands ⓘ |
| familyName | Boissevain NERFINISHED ⓘ |
| givenName | Eugen Jan NERFINISHED ⓘ |
| knownFor |
supporting the literary career of Edna St. Vincent Millay
ⓘ
supporting the suffrage movement through his wife Inez Milholland ⓘ |
| languageSpoken |
Dutch
ⓘ
English ⓘ |
| maritalStatus | widower of Inez Milholland ⓘ |
| movementSupported | women's suffrage movement in the United States ⓘ |
| name | Eugen Jan Boissevain NERFINISHED ⓘ |
| notableFor |
marriage to poet Edna St. Vincent Millay
ⓘ
marriage to suffragist Inez Milholland ⓘ |
| occupation | businessman ⓘ |
| placeOfBirth | Amsterdam NERFINISHED ⓘ |
| residence |
Steepletop, Austerlitz, New York
NERFINISHED
ⓘ
United States of America ⓘ
surface form:
United States
|
| sexOrGender | male ⓘ |
| spouse |
Edna St. Vincent Millay
NERFINISHED
ⓘ
Inez Milholland NERFINISHED ⓘ |
| supported |
Edna St. Vincent Millay
NERFINISHED
ⓘ
Inez Milholland NERFINISHED ⓘ |
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: Eugen Jan Boissevain Description of subject: Eugen Jan Boissevain was a Dutch-born businessman best known as the widower of suffragist Inez Milholland and later husband of poet Edna St. Vincent Millay, who supported and promoted their activist and literary careers.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.