Stephen Rochon
E129382
Stephen Rochon is a retired U.S. Coast Guard rear admiral who became the first African American to serve as White House Chief Usher, overseeing operations and staff at the Executive Residence.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Stephen Rochon canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T737626 — 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: Stephen Rochon Context triple: [Chief Usher, notableOfficeHolder, Stephen Rochon]
-
A.
Eric Thibault
Eric Thibault is a professional basketball coach best known for leading the WNBA’s Washington Mystics.
-
B.
Jean Raoux
Jean Raoux was a French painter of the late 17th and early 18th centuries, known for his elegant genre scenes and portraits that bridged the Baroque and Rococo styles.
-
C.
Russell Dupuis
Russell Dupuis is an American electrical engineer and materials scientist renowned for his pioneering work in metal-organic chemical vapor deposition (MOCVD) and the development of semiconductor lasers and LEDs.
-
D.
Mark Gastineau
Mark Gastineau is a former American football defensive end best known as a star pass rusher for the New York Jets in the 1980s and a key member of the famed "New York Sack Exchange" defensive line.
-
E.
Philippe Beaudoin
Philippe Beaudoin is a Canadian computer scientist and entrepreneur known for co-founding the artificial intelligence company Element AI.
- 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: Stephen Rochon Target entity description: Stephen Rochon is a retired U.S. Coast Guard rear admiral who became the first African American to serve as White House Chief Usher, overseeing operations and staff at the Executive Residence.
-
A.
Eric Thibault
Eric Thibault is a professional basketball coach best known for leading the WNBA’s Washington Mystics.
-
B.
Jean Raoux
Jean Raoux was a French painter of the late 17th and early 18th centuries, known for his elegant genre scenes and portraits that bridged the Baroque and Rococo styles.
-
C.
Russell Dupuis
Russell Dupuis is an American electrical engineer and materials scientist renowned for his pioneering work in metal-organic chemical vapor deposition (MOCVD) and the development of semiconductor lasers and LEDs.
-
D.
Mark Gastineau
Mark Gastineau is a former American football defensive end best known as a star pass rusher for the New York Jets in the 1980s and a key member of the famed "New York Sack Exchange" defensive line.
-
E.
Philippe Beaudoin
Philippe Beaudoin is a Canadian computer scientist and entrepreneur known for co-founding the artificial intelligence company Element AI.
- F. None of above. chosen
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf |
United States Coast Guard officer
ⓘ
White House Chief Usher ⓘ person ⓘ rear admiral ⓘ |
| areaOfResponsibility |
management of White House residence staff and logistics
ⓘ
operations of the Executive Residence ⓘ |
| countryOfCitizenship | United States of America ⓘ |
| employer |
Executive Residence of the White House
ⓘ
linked to:
White House
United States Coast Guard ⓘ |
| ethnicGroup |
African American
ⓘ
linked to:
Black Americans
|
| familyName | Rochon ⓘ |
| fieldOfWork |
executive residence management
ⓘ
military leadership ⓘ |
| givenName | Stephen ⓘ |
| hasHonorificTitle |
Admiral Rochon
ⓘ
Rear Admiral ⓘ |
| memberOf |
United States armed forces
ⓘ
linked to:
United States Armed Forces
|
| militaryBranch | United States Coast Guard ⓘ |
| militaryRank | rear admiral ⓘ |
| notableAchievement | broke racial barrier as first African American in the role of White House Chief Usher ⓘ |
| notableFor | being the first African American White House Chief Usher ⓘ |
| notableRole |
management of White House residence staff
ⓘ
oversight of operations at the Executive Residence ⓘ |
| occupation |
White House Chief Usher
ⓘ
linked to:
Chief Usher
government official ⓘ military officer ⓘ |
| positionHeld |
White House Chief Usher
ⓘ
linked to:
Chief Usher
|
| residence |
United States
ⓘ
linked to:
United States of America
|
| serviceEntryContext | served in the United States Coast Guard before White House service ⓘ |
| status | retired ⓘ |
| workLocation | White House ⓘ |
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: Stephen Rochon Description of subject: Stephen Rochon is a retired U.S. Coast Guard rear admiral who became the first African American to serve as White House Chief Usher, overseeing operations and staff at the Executive Residence.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.