Arlington Estate
E80489
Arlington Estate is the historic Virginia plantation that served as the home of the Custis-Lee family and later became the site of Arlington National Cemetery.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Arlington Estate canonical | 2 |
| Custis family estate | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T639671 — 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: Arlington Estate Context triple: [Arlington House plantation, alsoKnownAs, Arlington Estate]
-
A.
Locust Grove Estate
Locust Grove Estate is a historic Hudson River–valley property in Poughkeepsie, New York, best known as the Italianate villa and former home of telegraph inventor Samuel F. B. Morse, now operated as a museum and landscaped estate.
-
B.
Oxon Hill Manor
Oxon Hill Manor is a historic early-20th-century Neo-Georgian mansion and estate overlooking the Potomac River in Prince George’s County, Maryland, now used as an event and conference venue.
-
C.
Sutton Place
Sutton Place is an affluent residential neighborhood on Manhattan’s East Side, known for its elegant townhouses, river views, and quiet, exclusive character.
-
D.
Longwood House
Longwood House is the remote residence on the island of Saint Helena where Napoleon Bonaparte spent his final years in exile and ultimately died.
-
E.
Rockcliffe Mansion
Rockcliffe Mansion is a historic Gilded Age mansion and museum in Hannibal, Missouri, known for its grand architecture and period interiors.
- 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: Arlington Estate Target entity description: Arlington Estate is the historic Virginia plantation that served as the home of the Custis-Lee family and later became the site of Arlington National Cemetery.
-
A.
Locust Grove Estate
Locust Grove Estate is a historic Hudson River–valley property in Poughkeepsie, New York, best known as the Italianate villa and former home of telegraph inventor Samuel F. B. Morse, now operated as a museum and landscaped estate.
-
B.
Oxon Hill Manor
Oxon Hill Manor is a historic early-20th-century Neo-Georgian mansion and estate overlooking the Potomac River in Prince George’s County, Maryland, now used as an event and conference venue.
-
C.
Sutton Place
Sutton Place is an affluent residential neighborhood on Manhattan’s East Side, known for its elegant townhouses, river views, and quiet, exclusive character.
-
D.
Longwood House
Longwood House is the remote residence on the island of Saint Helena where Napoleon Bonaparte spent his final years in exile and ultimately died.
-
E.
Rockcliffe Mansion
Rockcliffe Mansion is a historic Gilded Age mansion and museum in Hannibal, Missouri, known for its grand architecture and period interiors.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
historic estate
ⓘ
historic house ⓘ plantation ⓘ |
| adjacentTo | Potomac River ⓘ |
| architecturalStyle |
Greek Revival architecture
ⓘ
surface form:
Greek Revival (Arlington House)
|
| contains |
Arlington House plantation
ⓘ
surface form:
Robert E. Lee Memorial (Arlington House)
|
| convertedBy |
United States Department of War
ⓘ
surface form:
United States War Department
|
| convertedTo | Arlington National Cemetery ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| currentOwner |
National Park Service
ⓘ
surface form:
United States National Park Service
|
| formerName | Arlington House plantation ⓘ |
| functionDuringCivilWar | Union military headquarters vicinity ⓘ |
| hasPart |
Arlington House plantation
ⓘ
surface form:
Arlington House
Arlington National Cemetery ⓘ |
| hasViewOf |
Lincoln Memorial
ⓘ
National Mall ⓘ United States Capitol ⓘ
surface form:
U.S. Capitol
|
| heritageDesignation |
National Historic Landmark
ⓘ
listed on the National Register of Historic Places ⓘ |
| historicalEvent | seizure by Union forces during the American Civil War ⓘ |
| historicalPeriod |
Antebellum period
ⓘ
surface form:
Antebellum South
|
| locatedIn |
Arlington, Virginia
ⓘ
United States of America ⓘ
surface form:
United States
Virginia ⓘ |
| managedBy | National Park Service ⓘ |
| namedAfter |
Arlington House plantation
ⓘ
surface form:
Arlington, the ancestral home of the Custis family in Virginia
|
| near |
Memorial Bridge
ⓘ
Pentagon ⓘ |
| notableFor |
Civil War history
ⓘ
association with Robert E. Lee ⓘ association with the Custis family ⓘ being the site of Arlington National Cemetery ⓘ |
| openToPublic | true ⓘ |
| overlooks | Washington, D.C. ⓘ |
| ownedBy |
Custis family
ⓘ
surface form:
Custis-Lee family
George Washington Parke Custis ⓘ Mary Anna Custis Lee ⓘ
surface form:
Mary Anna Randolph Custis Lee
Robert E. Lee ⓘ United States government ⓘ
surface form:
United States federal government
|
| partOf |
Arlington County
ⓘ
surface form:
Arlington County, Virginia
|
| significantPlaceFor |
Custis family
ⓘ
surface form:
Custis-Lee family
George Washington Parke Custis ⓘ Robert E. Lee ⓘ |
| use |
military cemetery site
ⓘ
plantation ⓘ residence ⓘ |
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: Arlington Estate Description of subject: Arlington Estate is the historic Virginia plantation that served as the home of the Custis-Lee family and later became the site of Arlington National Cemetery.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Custis family estate