Bertha Hagler
E541074
Bertha Hagler is best known as the former wife of legendary American middleweight boxing champion Marvin Hagler.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Bertha Hagler canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T5732899 — 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: Bertha Hagler Context triple: [Marvin Hagler, previousSpouse, Bertha Hagler]
-
A.
Bertha Palmer
Bertha Palmer was a prominent American socialite, philanthropist, and influential Chicago businesswoman known for her role in the city’s cultural and civic development during the late 19th and early 20th centuries.
-
B.
Fay Hauser
Fay Hauser is an American actress and director known for her work in film and television since the 1970s, including roles in notable dramas and comedies.
-
C.
Mildred Riddle
Mildred Riddle was the first wife of U.S. Supreme Court Justice William O. Douglas, whom he married while still a young man before his rise to national prominence.
-
D.
Ethel Delmar
Ethel Delmar was an American actress and the first wife of famed entertainer Al Jolson, known primarily for her brief marriage to him in the early 20th century.
-
E.
Mary Elizabeth Schaefer
Mary Elizabeth Schaefer was the wife of William R. Day, an American diplomat and U.S. Supreme Court Justice.
- 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: Bertha Hagler Target entity description: Bertha Hagler is best known as the former wife of legendary American middleweight boxing champion Marvin Hagler.
-
A.
Bertha Palmer
Bertha Palmer was a prominent American socialite, philanthropist, and influential Chicago businesswoman known for her role in the city’s cultural and civic development during the late 19th and early 20th centuries.
-
B.
Fay Hauser
Fay Hauser is an American actress and director known for her work in film and television since the 1970s, including roles in notable dramas and comedies.
-
C.
Mildred Riddle
Mildred Riddle was the first wife of U.S. Supreme Court Justice William O. Douglas, whom he married while still a young man before his rise to national prominence.
-
D.
Ethel Delmar
Ethel Delmar was an American actress and the first wife of famed entertainer Al Jolson, known primarily for her brief marriage to him in the early 20th century.
-
E.
Mary Elizabeth Schaefer
Mary Elizabeth Schaefer was the wife of William R. Day, an American diplomat and U.S. Supreme Court Justice.
- F. None of above. chosen
Statements (12)
| Predicate | Object |
|---|---|
| instanceOf |
human
ⓘ
professional boxer ⓘ |
| countryOfCitizenship | United States of America ⓘ |
| maritalStatus | divorced ⓘ |
| notableFor |
being a legendary American middleweight boxing champion
ⓘ
being the former wife of boxer Marvin Hagler ⓘ |
| occupation | celebrity spouse ⓘ |
| sexOrGender | female ⓘ |
| sport | boxing ⓘ |
| spouse |
Bertha Hagler
ⓘ
Marvin Hagler ⓘ |
| weightClass | middleweight ⓘ |
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: Bertha Hagler Description of subject: Bertha Hagler is best known as the former wife of legendary American middleweight boxing champion Marvin Hagler.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Bertha Hagler