Jacobus Roosevelt III
E661672
Jacobus Roosevelt III was a member of the prominent Roosevelt family and an ancestor of U.S. President Franklin D. Roosevelt.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Jacobus Roosevelt II | 1 |
| Jacobus Roosevelt III canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7373730 — 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: Jacobus Roosevelt III Context triple: [James Jacobus Roosevelt, father, Jacobus Roosevelt III]
-
A.
Nicholas Roosevelt
Nicholas Roosevelt was an American inventor and early steamboat pioneer who collaborated with Robert Fulton on developing practical steam-powered navigation.
-
B.
James Roosevelt Roosevelt
James Roosevelt Roosevelt was an American diplomat and political figure, best known for serving as the first U.S. Minister to the Netherlands and as the son of businessman James Roosevelt I and half-brother of President Franklin D. Roosevelt.
-
C.
Quentin Roosevelt II
Quentin Roosevelt II was an American military officer and diplomat, and the grandson of U.S. President Theodore Roosevelt.
-
D.
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.
-
E.
James Jacobus Roosevelt
James Jacobus Roosevelt was a New York merchant and early member of the Roosevelt family whose descendants included U.S. President Theodore Roosevelt.
- 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: Jacobus Roosevelt III Target entity description: Jacobus Roosevelt III was a member of the prominent Roosevelt family and an ancestor of U.S. President Franklin D. Roosevelt.
-
A.
Nicholas Roosevelt
Nicholas Roosevelt was an American inventor and early steamboat pioneer who collaborated with Robert Fulton on developing practical steam-powered navigation.
-
B.
James Roosevelt Roosevelt
James Roosevelt Roosevelt was an American diplomat and political figure, best known for serving as the first U.S. Minister to the Netherlands and as the son of businessman James Roosevelt I and half-brother of President Franklin D. Roosevelt.
-
C.
Quentin Roosevelt II
Quentin Roosevelt II was an American military officer and diplomat, and the grandson of U.S. President Theodore Roosevelt.
-
D.
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.
-
E.
James Jacobus Roosevelt
James Jacobus Roosevelt was a New York merchant and early member of the Roosevelt family whose descendants included U.S. President Theodore Roosevelt.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
human
ⓘ
member of the Roosevelt family ⓘ |
| countryOfCitizenship | United States of America ⓘ |
| ethnicGroup |
Dutch Americans
ⓘ
linked to:
Dutch American
|
| familyName | Roosevelt ⓘ |
| father |
Jacobus Roosevelt II
ⓘ
linked to:
Jacobus Roosevelt III
|
| givenName | Jacobus ⓘ |
| hasDescendant |
Franklin D. Roosevelt
ⓘ
linked to:
President Franklin D. Roosevelt
Isaac Roosevelt ⓘ James Roosevelt I ⓘ Theodore Roosevelt ⓘ |
| isAncestorOf |
Franklin D. Roosevelt
ⓘ
linked to:
President Franklin D. Roosevelt
Theodore Roosevelt ⓘ |
| languageSpoken |
Dutch
ⓘ
English ⓘ |
| memberOf | Roosevelt family ⓘ |
| mother | Catharina Hardenbroeck ⓘ |
| notableFamily | Roosevelt family ⓘ |
| notableWork | early development of Roosevelt family fortune ⓘ |
| occupation | businessman ⓘ |
| religion | Dutch Reformed Church ⓘ |
| residence |
New York City
ⓘ
Province of New York ⓘ |
| sexOrGender | male ⓘ |
| spouse | Annetje Bogart ⓘ |
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: Jacobus Roosevelt III Description of subject: Jacobus Roosevelt III was a member of the prominent Roosevelt family and an ancestor of U.S. President Franklin D. Roosevelt.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Jacobus Roosevelt III