Lord Proprietor of Maryland
E387695
The Lord Proprietor of Maryland was the hereditary noble who held quasi-royal authority over the Province of Maryland under an English colonial charter.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Lord Proprietor of Maryland canonical | 3 |
| Proprietary Governor of Maryland | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3779239 — 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: Lord Proprietor of Maryland Context triple: [Cecil Calvert, 2nd Baron Baltimore, titleHeld, Lord Proprietor of Maryland]
-
A.
Lords Proprietors
The Lords Proprietors were a group of English nobles granted ownership and governing rights over the Province of Carolina in colonial America.
-
B.
Charles Calvert, 3rd Baron Baltimore
Charles Calvert, 3rd Baron Baltimore was a 17th-century English nobleman and colonial proprietor of Maryland who played a key role in the early governance and development of the colony.
-
C.
Governor William Berkeley
Governor William Berkeley was the colonial governor of Virginia best known for his autocratic rule, promotion of the tobacco economy, and central role as the establishment leader opposed during Bacon's Rebellion in 1676.
-
D.
Cecil Calvert 2nd Baron Baltimore
Cecil Calvert, 2nd Baron Baltimore, was an English nobleman and colonial proprietor best known for founding and governing the Province of Maryland as a haven for English Catholics in the 17th century.
-
E.
Charles Calvert, 5th Baron Baltimore
Charles Calvert, 5th Baron Baltimore was an 18th-century British nobleman and proprietary governor of Maryland, overseeing the colony during a period of political and religious tension prior to the American Revolution.
- 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: Lord Proprietor of Maryland Target entity description: The Lord Proprietor of Maryland was the hereditary noble who held quasi-royal authority over the Province of Maryland under an English colonial charter.
-
A.
Lords Proprietors
The Lords Proprietors were a group of English nobles granted ownership and governing rights over the Province of Carolina in colonial America.
-
B.
Charles Calvert, 3rd Baron Baltimore
Charles Calvert, 3rd Baron Baltimore was a 17th-century English nobleman and colonial proprietor of Maryland who played a key role in the early governance and development of the colony.
-
C.
Governor William Berkeley
Governor William Berkeley was the colonial governor of Virginia best known for his autocratic rule, promotion of the tobacco economy, and central role as the establishment leader opposed during Bacon's Rebellion in 1676.
-
D.
Cecil Calvert 2nd Baron Baltimore
Cecil Calvert, 2nd Baron Baltimore, was an English nobleman and colonial proprietor best known for founding and governing the Province of Maryland as a haven for English Catholics in the 17th century.
-
E.
Charles Calvert, 5th Baron Baltimore
Charles Calvert, 5th Baron Baltimore was an 18th-century British nobleman and proprietary governor of Maryland, overseeing the colony during a period of political and religious tension prior to the American Revolution.
- F. None of above. chosen
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf |
colonial governor (de jure)
ⓘ
hereditary noble office ⓘ proprietary colonial title ⓘ |
| abolished | 1776 ⓘ |
| appliesToJurisdiction |
Chesapeake Bay region
ⓘ
surface form:
Chesapeake Bay region (colonial era)
Colony of Maryland ⓘ
surface form:
Maryland colony
Province of Maryland ⓘ |
| basedOn |
English colonial charter law
ⓘ
feudal land tenure principles ⓘ |
| country | Province of Maryland ⓘ |
| countryOfOrigin | Kingdom of England ⓘ |
| createdBy |
Maryland charter of 1632
ⓘ
surface form:
Charter of Maryland
royal charter ⓘ |
| endTime | 1776 ⓘ |
| foundedBy | Charles I of England ⓘ |
| grantedBy |
Charles I of England
ⓘ
Kingdom of England ⓘ
surface form:
English Crown
|
| hasAuthorityOver |
appointment of colonial officials in Maryland
ⓘ
calling and dismissing the colonial assembly ⓘ collection of certain taxes in Maryland ⓘ establishment of courts in Maryland ⓘ land grants in Maryland ⓘ |
| hasCapital |
Annapolis
ⓘ
surface form:
Annapolis (later colonial period)
St. Mary's City, Maryland ⓘ
surface form:
St. Mary’s City (early colonial period)
|
| hasPrivilege |
quasi-royal authority
ⓘ
right to create manors ⓘ right to establish towns and ports ⓘ right to grant titles to land ⓘ right to receive feudal dues ⓘ |
| hasTitleHolder |
Benedict Calvert, 4th Baron Baltimore
ⓘ
surface form:
Benedict Leonard Calvert, 4th Baron Baltimore
Cecil Calvert 2nd Baron Baltimore ⓘ
surface form:
Cecilius Calvert, 2nd Baron Baltimore
Charles Calvert, 3rd Baron Baltimore ⓘ Charles Calvert, 5th Baron Baltimore ⓘ Frederick Calvert, 6th Baron Baltimore ⓘ |
| heldByDynasty |
Barons Baltimore
ⓘ
Calvert family ⓘ |
| historicalPeriod |
17th century
ⓘ
18th century ⓘ colonial America ⓘ |
| inception | 1632 ⓘ |
| legalForm | proprietary colony ⓘ |
| location |
Atlantic seaboard of North America
ⓘ
North America ⓘ |
| nobleRank | baron ⓘ |
| partOf |
British Empire
ⓘ
English colonial system in North America ⓘ |
| replacedBy |
Governor of Maryland (state office)
ⓘ
Government of Maryland ⓘ
surface form:
State government of Maryland
|
| startTime | 1632 ⓘ |
| subordinateTo |
Kingdom of England
ⓘ
surface form:
English Crown
King of England ⓘ |
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: Lord Proprietor of Maryland Description of subject: The Lord Proprietor of Maryland was the hereditary noble who held quasi-royal authority over the Province of Maryland under an English colonial charter.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Cecil Calvert, 2nd Baron Baltimore
this entity surface form:
Proprietary Governor of Maryland