Philippa, 5th Countess of Ulster
E348758
Philippa, 5th Countess of Ulster was a 14th-century English noblewoman and heiress whose marriage to Edmund Mortimer helped transmit a strong claim to the English throne through the Mortimer line.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Philippa, 5th Countess of Ulster canonical | 3 |
| Countess of Ulster | 2 |
| 5th Countess of Ulster | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3310619 — 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: Philippa, 5th Countess of Ulster Context triple: [Lionel of Antwerp, 1st Duke of Clarence, child, Philippa, 5th Countess of Ulster]
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A.
Elizabeth de Burgh, 4th Countess of Ulster
Elizabeth de Burgh, 4th Countess of Ulster, was a powerful Anglo-Irish noblewoman and heiress of vast estates whose marriage into the English royal family strengthened Plantagenet influence in Ireland.
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B.
Margaret de Burgh
Margaret de Burgh was a 13th–14th century Anglo-Norman noblewoman best known as the mother of Elizabeth de Burgh, Queen of Scots and wife of Robert the Bruce.
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C.
Countess of Carrick
The Countess of Carrick was a medieval Scottish noble title associated with the rulers of the earldom of Carrick in southwestern Scotland, notably held by Marjorie, mother of King Robert the Bruce.
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D.
Mary Stewart, Countess of Angus
Mary Stewart, Countess of Angus, was a medieval Scottish noblewoman and daughter of King Robert III of Scotland who played a role in the dynastic alliances of the Scottish royal family.
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E.
Elizabeth Douglas, Countess of Morton
Elizabeth Douglas, Countess of Morton, was a Scottish noblewoman of the powerful Douglas family who became Countess of Morton through her marriage to James Douglas, 4th Earl of Morton, a prominent 16th-century Scottish regent.
- 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: Philippa, 5th Countess of Ulster Target entity description: Philippa, 5th Countess of Ulster was a 14th-century English noblewoman and heiress whose marriage to Edmund Mortimer helped transmit a strong claim to the English throne through the Mortimer line.
-
A.
Elizabeth de Burgh, 4th Countess of Ulster
Elizabeth de Burgh, 4th Countess of Ulster, was a powerful Anglo-Irish noblewoman and heiress of vast estates whose marriage into the English royal family strengthened Plantagenet influence in Ireland.
-
B.
Margaret de Burgh
Margaret de Burgh was a 13th–14th century Anglo-Norman noblewoman best known as the mother of Elizabeth de Burgh, Queen of Scots and wife of Robert the Bruce.
-
C.
Countess of Carrick
The Countess of Carrick was a medieval Scottish noble title associated with the rulers of the earldom of Carrick in southwestern Scotland, notably held by Marjorie, mother of King Robert the Bruce.
-
D.
Mary Stewart, Countess of Angus
Mary Stewart, Countess of Angus, was a medieval Scottish noblewoman and daughter of King Robert III of Scotland who played a role in the dynastic alliances of the Scottish royal family.
-
E.
Elizabeth Douglas, Countess of Morton
Elizabeth Douglas, Countess of Morton, was a Scottish noblewoman of the powerful Douglas family who became Countess of Morton through her marriage to James Douglas, 4th Earl of Morton, a prominent 16th-century Scottish regent.
- F. None of above. chosen
Statements (48)
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: Philippa, 5th Countess of Ulster Description of subject: Philippa, 5th Countess of Ulster was a 14th-century English noblewoman and heiress whose marriage to Edmund Mortimer helped transmit a strong claim to the English throne through the Mortimer line.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Countess of Ulster
Philippa, 5th Countess of Ulster
→
nobleTitle
→
Philippa, 5th Countess of Ulster
self-linksurface differs
ⓘ
this entity surface form:
Countess of Ulster
Philippa, 5th Countess of Ulster
→
nobleTitleOrdinal
→
Philippa, 5th Countess of Ulster
self-linksurface differs
ⓘ
this entity surface form:
5th Countess of Ulster