Thomas of Mar
E1025728
Thomas of Mar was a medieval Scottish nobleman who held the title of Earl of Mar and was connected to the Bruce family through his mother, Christina Bruce.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Thomas of Mar canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T13189522 — 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: Thomas of Mar Context triple: [Christina Bruce, child, Thomas of Mar]
-
A.
Lord Menteith
Lord Menteith is a young Scottish nobleman and soldier who plays a central role in the political and clan conflicts of Sir Walter Scott’s historical novel "The Legend of Montrose."
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B.
Campbell of Breadalbane
Campbell of Breadalbane is a prominent Highland branch of the Scottish Clan Campbell historically associated with extensive lands in Breadalbane and significant political influence.
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C.
Laird of Dun
Laird of Dun was a Scottish feudal title associated with the Erskine family estate at Dun in Angus, historically held by prominent figures in the Scottish Reformation.
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D.
Kyle of Sutherland
Kyle of Sutherland is a tidal estuary in the Scottish Highlands formed by the confluence of several rivers before they flow into the Dornoch Firth.
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E.
Maclean of Duart
Maclean of Duart is the principal branch of the Scottish Highland Clan Maclean, historically associated with Duart Castle on the Isle of Mull.
- 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: Thomas of Mar Target entity description: Thomas of Mar was a medieval Scottish nobleman who held the title of Earl of Mar and was connected to the Bruce family through his mother, Christina Bruce.
-
A.
Lord Menteith
Lord Menteith is a young Scottish nobleman and soldier who plays a central role in the political and clan conflicts of Sir Walter Scott’s historical novel "The Legend of Montrose."
-
B.
Campbell of Breadalbane
Campbell of Breadalbane is a prominent Highland branch of the Scottish Clan Campbell historically associated with extensive lands in Breadalbane and significant political influence.
-
C.
Laird of Dun
Laird of Dun was a Scottish feudal title associated with the Erskine family estate at Dun in Angus, historically held by prominent figures in the Scottish Reformation.
-
D.
Kyle of Sutherland
Kyle of Sutherland is a tidal estuary in the Scottish Highlands formed by the confluence of several rivers before they flow into the Dornoch Firth.
-
E.
Maclean of Duart
Maclean of Duart is the principal branch of the Scottish Highland Clan Maclean, historically associated with Duart Castle on the Isle of Mull.
- F. None of above. chosen
Statements (15)
| Predicate | Object |
|---|---|
| instanceOf |
Earl of Mar
ⓘ
Scottish noblewoman ⓘ medieval Scottish nobleman ⓘ |
| country | Kingdom of Scotland ⓘ |
| ethnicity | Scottish ⓘ |
| familyConnection |
Bruce family
ⓘ
Bruce family ⓘ |
| gender | male ⓘ |
| mother | Christina Bruce ⓘ |
| nobleFamily | House of Mar ⓘ |
| nobleTitle | Earl of Mar ⓘ |
| notableFor |
holding the title Earl of Mar in medieval Scotland
ⓘ
maternal connection to the Bruce royal line ⓘ |
| positionHeld | Earl of Mar ⓘ |
| timePeriod | Middle Ages ⓘ |
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: Thomas of Mar Description of subject: Thomas of Mar was a medieval Scottish nobleman who held the title of Earl of Mar and was connected to the Bruce family through his mother, Christina Bruce.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.