Robert Todd Lincoln
E18244
Robert Todd Lincoln was the eldest son of U.S. President Abraham Lincoln, who became a prominent lawyer, businessman, and statesman, serving as Secretary of War and U.S. Minister to the United Kingdom.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Robert Todd Lincoln canonical | 38 |
| Robert Todd Lincoln (historical) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T13384 — 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: Robert Todd Lincoln Context triple: [Abraham Lincoln, child, Robert Todd Lincoln]
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A.
Isaac Roosevelt
Isaac Roosevelt was an American merchant, banker, and politician from New York, best known as an early member of the Roosevelt family and an ancestor of President Franklin D. Roosevelt.
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B.
John Aspinwall Roosevelt
John Aspinwall Roosevelt was the youngest son of U.S. President Franklin D. Roosevelt and Eleanor Roosevelt, known for his business career and occasional involvement in public affairs.
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C.
Elliott Roosevelt
Elliott Roosevelt was an American author, businessman, and U.S. Army Air Forces officer, best known as a son of President Franklin D. Roosevelt and First Lady Eleanor Roosevelt.
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D.
James Roosevelt I
James Roosevelt I was an American businessman and prominent member of the Roosevelt family, best known as the father of U.S. President Franklin D. Roosevelt.
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E.
James Roosevelt II
James Roosevelt II was an American politician, businessman, and U.S. Marine officer, best known as the eldest son of President Franklin D. Roosevelt and First Lady Eleanor Roosevelt and for serving as a U.S. Congressman from California.
- 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: Robert Todd Lincoln Target entity description: Robert Todd Lincoln was the eldest son of U.S. President Abraham Lincoln, who became a prominent lawyer, businessman, and statesman, serving as Secretary of War and U.S. Minister to the United Kingdom.
-
A.
Isaac Roosevelt
Isaac Roosevelt was an American merchant, banker, and politician from New York, best known as an early member of the Roosevelt family and an ancestor of President Franklin D. Roosevelt.
-
B.
John Aspinwall Roosevelt
John Aspinwall Roosevelt was the youngest son of U.S. President Franklin D. Roosevelt and Eleanor Roosevelt, known for his business career and occasional involvement in public affairs.
-
C.
Elliott Roosevelt
Elliott Roosevelt was an American author, businessman, and U.S. Army Air Forces officer, best known as a son of President Franklin D. Roosevelt and First Lady Eleanor Roosevelt.
-
D.
James Roosevelt I
James Roosevelt I was an American businessman and prominent member of the Roosevelt family, best known as the father of U.S. President Franklin D. Roosevelt.
-
E.
James Roosevelt II
James Roosevelt II was an American politician, businessman, and U.S. Marine officer, best known as the eldest son of President Franklin D. Roosevelt and First Lady Eleanor Roosevelt and for serving as a U.S. Congressman from California.
- F. None of above. chosen
Statements (50)
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: Robert Todd Lincoln Description of subject: Robert Todd Lincoln was the eldest son of U.S. President Abraham Lincoln, who became a prominent lawyer, businessman, and statesman, serving as Secretary of War and U.S. Minister to the United Kingdom.
Referenced by (39)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Manchester, Vermont, United States
subject linked to:
Hildene (family estate in Manchester, Vermont)
subject linked to:
Hildene (family estate in Manchester, Vermont)
subject linked to:
Lincoln
subject linked to:
Robert Todd Lincoln’s estate
linked to: Robert Todd Lincoln
subject linked to:
Robert Todd Lincoln’s estate
subject linked to:
Robert Todd Lincoln’s estate
subject linked to:
Mary