Mary
E336356
Mary of Waltham, Duchess of Brittany, was a 14th-century English princess and daughter of King Edward III who became duchess through her marriage to John IV, Duke of Brittany.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Mary canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T3193944 — 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: Mary Context triple: [Mary of Waltham, Duchess of Brittany, givenName, Mary]
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A.
Mary
Mary is a fictional character in B.F. Skinner’s utopian novel "Walden Two," representing one of the community’s young members shaped by its behaviorist social principles.
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B.
Mary
Mary is the birth name of American actress, singer, and dancer Debbie Reynolds, a major Hollywood star of the mid-20th century.
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C.
Mary
Mary is the middle name of Katherine Mary Dewar, a component of her full personal name.
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D.
Mary
Mary is the given name of Mary J. Blige, the acclaimed American singer, songwriter, and actress often called the "Queen of Hip-Hop Soul."
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E.
Mary
Mary is a minor character in Mark Twain's novel "The Adventures of Tom Sawyer," known as Tom's kind and well-behaved cousin.
- 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: Mary Target entity description: Mary of Waltham, Duchess of Brittany, was a 14th-century English princess and daughter of King Edward III who became duchess through her marriage to John IV, Duke of Brittany.
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A.
Mary
Mary, Duchess of Gloucester and Edinburgh, was a British princess and the wife of Prince William Frederick, a grandson of King George II.
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B.
Mary
Mary, Princess Royal and Princess of Orange, was the eldest daughter of King Charles I of England and the wife of William II of Orange, making her a key figure in 17th-century Anglo-Dutch royal relations.
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C.
Mary
Mary, Princess Royal and Countess of Harewood, was a daughter of King George V and Queen Mary of the United Kingdom and a prominent British royal figure in the early to mid-20th century.
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D.
Mary
Mary II of England was a late 17th-century Queen of England, Scotland, and Ireland who ruled jointly with her husband William III after the Glorious Revolution.
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E.
Mary
Mary I of England was the 16th-century Queen of England and Ireland best known for her attempt to restore Roman Catholicism and for the Marian persecutions that earned her the nickname "Bloody Mary."
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
14th-century English noblewoman
ⓘ
Duchess of Brittany ⓘ English princess ⓘ |
| birthDate | 1344 ⓘ |
| birthPlace | Bishop’s Waltham, Hampshire, England ⓘ |
| countryOfCitizenship | Kingdom of England ⓘ |
| deathDate | 1362 ⓘ |
| deathPlace | England ⓘ |
| father | Edward III of England ⓘ |
| givenName | Mary ⓘ |
| marriageDate | 1361 ⓘ |
| mother |
Philippa of Hainault
ⓘ
linked to:
Queen Philippa of Hainault
|
| nobleFamily |
Plantagenet dynasty
ⓘ
linked to:
House of Plantagenet
|
| positionHeld | Duchess consort of Brittany ⓘ |
| religion | Roman Catholicism ⓘ |
| royalHouse | House of Plantagenet ⓘ |
| sibling |
Edmund of Langley, 1st Duke of York
ⓘ
Edward, the Black Prince ⓘ
linked to:
Edward the Black Prince
John of Gaunt, 1st Duke of Lancaster ⓘ
linked to:
John of Gaunt
Lionel of Antwerp, 1st Duke of Clarence ⓘ Thomas of Woodstock, 1st Duke of Gloucester ⓘ |
| spouse | John IV, Duke of Brittany ⓘ |
| spouseNobleFamily | House of Montfort ⓘ |
| spouseTitle | Duke of Brittany ⓘ |
| title | Duchess of Brittany ⓘ |
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: Mary Description of subject: Mary of Waltham, Duchess of Brittany, was a 14th-century English princess and daughter of King Edward III who became duchess through her marriage to John IV, Duke of Brittany.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Countess of Montfort