Alan II, Duke of Brittany
E1404096
UNEXPLORED
Alan II, Duke of Brittany was a 10th-century Breton ruler known for restoring and consolidating the duchy after Viking invasions and reestablishing Breton independence.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Alan II, Duke of Brittany canonical | 3 |
| Alan, Duke of Brittany | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T19965893 — 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: Alan II, Duke of Brittany Context triple: [Duchy of Brittany, notableRuler, Alan II, Duke of Brittany]
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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.
Alan III, Duke of Brittany
Alan III, Duke of Brittany was an 11th-century Breton noble who ruled the Duchy of Brittany and played a significant role in the politics of northwestern France during the early Middle Ages.
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C.
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.
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D.
John II, Duke of Brittany
John II, Duke of Brittany was a 13th-century French nobleman who ruled the Duchy of Brittany and played a significant role in the politics of the Capetian kingdom.
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E.
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.
- 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: Alan II, Duke of Brittany Target entity description: Alan II, Duke of Brittany was a 10th-century Breton ruler known for restoring and consolidating the duchy after Viking invasions and reestablishing Breton independence.
-
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.
Alan III, Duke of Brittany
Alan III, Duke of Brittany was an 11th-century Breton noble who ruled the Duchy of Brittany and played a significant role in the politics of northwestern France during the early Middle Ages.
-
C.
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.
-
D.
John II, Duke of Brittany
John II, Duke of Brittany was a 13th-century French nobleman who ruled the Duchy of Brittany and played a significant role in the politics of the Capetian kingdom.
-
E.
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.
- F. None of above. chosen
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Alan II, Duke of Brittany