Theodore Roosevelt’s distant cousin Theo Cobb (if named incorrectly, treat as spouse: Theo Cobb Landon)
E303975
Theo Cobb Landon was the wife of Kansas Governor and 1936 Republican presidential nominee Alf Landon and a distant cousin of President Theodore Roosevelt.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Theodore Roosevelt’s distant cousin Theo Cobb (if named incorrectly, treat as spouse: Theo Cobb Landon) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2841887 — 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: Theodore Roosevelt’s distant cousin Theo Cobb (if named incorrectly, treat as spouse: Theo Cobb Landon) Context triple: [Alf Landon, spouse, Theodore Roosevelt’s distant cousin Theo Cobb (if named incorrectly, treat as spouse: Theo Cobb Landon)]
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A.
Theodore Roosevelt Sr.
Theodore Roosevelt Sr. was a prominent 19th-century New York philanthropist and businessman, best known as the father of U.S. President Theodore Roosevelt.
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B.
Theodore Roberts
Theodore Roberts was an American stage and silent film actor best known for his commanding character roles in early 20th-century cinema.
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C.
Theodore Roosevelt III
Theodore Roosevelt III was an American politician, investment banker, and decorated World War II Army officer, and the eldest son of President Theodore Roosevelt.
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D.
Robert Barnhill Roosevelt
Robert Barnhill Roosevelt was an American politician, diplomat, and conservationist, and the uncle of President Theodore Roosevelt.
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E.
Theodore Reeves
Theodore Reeves was a screenwriter best known for his work on classic Hollywood films, including the beloved horse-racing drama "National Velvet."
- 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: Theodore Roosevelt’s distant cousin Theo Cobb (if named incorrectly, treat as spouse: Theo Cobb Landon) Target entity description: Theo Cobb Landon was the wife of Kansas Governor and 1936 Republican presidential nominee Alf Landon and a distant cousin of President Theodore Roosevelt.
-
A.
Theodore Roosevelt Sr.
Theodore Roosevelt Sr. was a prominent 19th-century New York philanthropist and businessman, best known as the father of U.S. President Theodore Roosevelt.
-
B.
Theodore Roberts
Theodore Roberts was an American stage and silent film actor best known for his commanding character roles in early 20th-century cinema.
-
C.
Theodore Roosevelt III
Theodore Roosevelt III was an American politician, investment banker, and decorated World War II Army officer, and the eldest son of President Theodore Roosevelt.
-
D.
Robert Barnhill Roosevelt
Robert Barnhill Roosevelt was an American politician, diplomat, and conservationist, and the uncle of President Theodore Roosevelt.
-
E.
Theodore Reeves
Theodore Reeves was a screenwriter best known for his work on classic Hollywood films, including the beloved horse-racing drama "National Velvet."
- F. None of above. chosen
Statements (16)
| Predicate | Object |
|---|---|
| instanceOf |
human
ⓘ
human ⓘ human ⓘ |
| candidateInElection | 1936 United States presidential election ⓘ |
| countryOfCitizenship | United States of America ⓘ |
| familyName | Cobb ⓘ |
| givenName | Theo ⓘ |
| memberOfPoliticalParty | Republican Party ⓘ |
| name | Theo Cobb Landon ⓘ |
| notableFor |
being the wife of 1936 Republican presidential nominee Alf Landon
ⓘ
being the wife of Kansas Governor Alf Landon ⓘ |
| positionHeld |
Governor of Kansas
ⓘ
President of the United States ⓘ |
| relative | Theodore Roosevelt ⓘ |
| spouse |
Alf Landon
ⓘ
Theo Cobb Landon ⓘ |
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: Theodore Roosevelt’s distant cousin Theo Cobb (if named incorrectly, treat as spouse: Theo Cobb Landon) Description of subject: Theo Cobb Landon was the wife of Kansas Governor and 1936 Republican presidential nominee Alf Landon and a distant cousin of President Theodore Roosevelt.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
Alf Landon
→
spouse
→
Theodore Roosevelt’s distant cousin Theo Cobb (if named incorrectly, treat as spouse: Theo Cobb Landon)
ⓘ