Marla Lerner Tanenbaum
E76812
Marla Lerner Tanenbaum is an American philanthropist and baseball executive best known as a principal owner of the Washington Nationals and for her leadership in charitable and community initiatives.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Marla Lerner Tanenbaum canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T159755 — 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: Marla Lerner Tanenbaum Context triple: [Lerner family, member, Marla Lerner Tanenbaum]
-
A.
Debra Lerner Cohen
Debra Lerner Cohen is a member of the prominent Lerner family, known for its significant influence in American real estate and professional sports ownership.
-
B.
Annette Lerner
Annette Lerner is a Washington, D.C.–area philanthropist and matriarch of the Lerner family, known for their real estate empire and former ownership of the Washington Nationals baseball team.
-
C.
Bonnie Bernstein
Bonnie Bernstein is an American sports journalist and television personality known for her sideline reporting and coverage of major events across networks like ESPN and CBS.
-
D.
Arline Greenbaum
Arline Greenbaum was the first wife of physicist Richard Feynman, remembered for their deeply devoted relationship during her struggle with tuberculosis in the 1940s.
-
E.
Linda Salzman Sagan
Linda Salzman Sagan is an American artist and writer best known for co-designing the Pioneer plaque and contributing to other interstellar message projects alongside Carl Sagan.
- 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: Marla Lerner Tanenbaum Target entity description: Marla Lerner Tanenbaum is an American philanthropist and baseball executive best known as a principal owner of the Washington Nationals and for her leadership in charitable and community initiatives.
-
A.
Debra Lerner Cohen
Debra Lerner Cohen is a member of the prominent Lerner family, known for its significant influence in American real estate and professional sports ownership.
-
B.
Annette Lerner
Annette Lerner is a Washington, D.C.–area philanthropist and matriarch of the Lerner family, known for their real estate empire and former ownership of the Washington Nationals baseball team.
-
C.
Bonnie Bernstein
Bonnie Bernstein is an American sports journalist and television personality known for her sideline reporting and coverage of major events across networks like ESPN and CBS.
-
D.
Arline Greenbaum
Arline Greenbaum was the first wife of physicist Richard Feynman, remembered for their deeply devoted relationship during her struggle with tuberculosis in the 1940s.
-
E.
Linda Salzman Sagan
Linda Salzman Sagan is an American artist and writer best known for co-designing the Pioneer plaque and contributing to other interstellar message projects alongside Carl Sagan.
- F. None of above. chosen
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf |
baseball executive
ⓘ
human ⓘ philanthropist ⓘ sports team owner ⓘ |
| boardMemberOf |
Washington Nationals
ⓘ
surface form:
Washington Nationals Dream Foundation
|
| chairpersonOf |
Washington Nationals
ⓘ
surface form:
Washington Nationals Dream Foundation
|
| countryOfCitizenship | United States of America ⓘ |
| employer | Washington Nationals ⓘ |
| familyName |
Lerner
ⓘ
Tanenbaum ⓘ |
| fieldOfWork |
Major League Baseball
ⓘ
philanthropy ⓘ |
| genreOfCharitableWork |
community development in Washington, D.C.
ⓘ
education-related philanthropy ⓘ youth development programs ⓘ |
| givenName | Marla ⓘ |
| knownFor | community outreach programs connected to the Washington Nationals ⓘ |
| memberOf | Lerner family ⓘ |
| name | Marla Lerner Tanenbaum self-link ⓘ |
| notableFor |
leadership in charitable initiatives
ⓘ
leadership in community initiatives ⓘ principal owner of the Washington Nationals ⓘ |
| occupation |
baseball executive
ⓘ
philanthropist ⓘ sports team owner ⓘ |
| positionHeld | principal owner of the Washington Nationals ⓘ |
| relative |
Annette Lerner
ⓘ
Mark Lerner ⓘ Ted Lerner ⓘ |
| residence | Washington, D.C. ⓘ |
| spouse | Robert Tanenbaum ⓘ |
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: Marla Lerner Tanenbaum Description of subject: Marla Lerner Tanenbaum is an American philanthropist and baseball executive best known as a principal owner of the Washington Nationals and for her leadership in charitable and community initiatives.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.