Theobald of Brittany
E994149
UNEXPLORED
Theobald of Brittany was a medieval Breton nobleman, known primarily as a younger son of Duke John I of Brittany and a member of the ducal House of Dreux.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Theobald of Brittany canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11719040 — 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: Theobald of Brittany Context triple: [John I, Duke of Brittany, child, Theobald of Brittany]
-
A.
Alan IV, Duke of Brittany
Alan IV, Duke of Brittany was an 11th–12th century Breton ruler known for his participation in the First Crusade and his role in consolidating ducal authority in Brittany.
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B.
Arthur II, Duke of Brittany
Arthur II, Duke of Brittany was a late 13th- and early 14th-century Breton ruler from the House of Dreux who governed the Duchy of Brittany under French suzerainty and navigated complex feudal and dynastic politics of medieval France.
-
C.
John III of Penthièvre
John III of Penthièvre was a 15th-century French nobleman and claimant to the Duchy of Brittany from the House of Penthièvre, involved in the Breton succession disputes.
-
D.
Arthur III, Duke of Brittany
Arthur III, Duke of Brittany was a 15th-century Breton nobleman and military leader who served as Constable of France and played a key role in the later stages of the Hundred Years’ War.
-
E.
John VI, Duke of Brittany
John VI, Duke of Brittany was a late 14th- and early 15th-century Breton ruler known for consolidating ducal authority and navigating the complex politics between France and England during the Hundred Years’ War.
- 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: Theobald of Brittany Target entity description: Theobald of Brittany was a medieval Breton nobleman, known primarily as a younger son of Duke John I of Brittany and a member of the ducal House of Dreux.
-
A.
Alan IV, Duke of Brittany
Alan IV, Duke of Brittany was an 11th–12th century Breton ruler known for his participation in the First Crusade and his role in consolidating ducal authority in Brittany.
-
B.
Arthur II, Duke of Brittany
Arthur II, Duke of Brittany was a late 13th- and early 14th-century Breton ruler from the House of Dreux who governed the Duchy of Brittany under French suzerainty and navigated complex feudal and dynastic politics of medieval France.
-
C.
John III of Penthièvre
John III of Penthièvre was a 15th-century French nobleman and claimant to the Duchy of Brittany from the House of Penthièvre, involved in the Breton succession disputes.
-
D.
Arthur III, Duke of Brittany
Arthur III, Duke of Brittany was a 15th-century Breton nobleman and military leader who served as Constable of France and played a key role in the later stages of the Hundred Years’ War.
-
E.
John VI, Duke of Brittany
John VI, Duke of Brittany was a late 14th- and early 15th-century Breton ruler known for consolidating ducal authority and navigating the complex politics between France and England during the Hundred Years’ War.
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.