William II of Villehardouin
E727862
William II of Villehardouin was a 13th-century Frankish prince of Achaea and prominent Crusader noble who ruled much of the Peloponnese in medieval Greece.
All labels observed (1)
| Label | Occurrences |
|---|---|
| William II of Villehardouin canonical | 5 |
How this entity was disambiguated
This entity first appeared as the object of triple T8311372 — 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: William II of Villehardouin Context triple: [Mystras, foundedBy, William II of Villehardouin]
-
A.
Raoul I de Courtenay
Raoul I de Courtenay was a medieval French nobleman and early member of the Courtenay lineage, associated with the rise of this prominent aristocratic house.
-
B.
Bohemond IV of Antioch
Bohemond IV of Antioch was a 13th-century Norman crusader prince who ruled both the Principality of Antioch and the County of Tripoli amid prolonged dynastic and political conflicts in the Levant.
-
C.
Bohemond V of Antioch
Bohemond V of Antioch was a 13th-century nobleman who ruled the Crusader Principality of Antioch and the County of Tripoli, continuing the Italo-Norman Hauteville dynasty’s influence in the eastern Mediterranean.
-
D.
Demetrius of Montferrat
Demetrius of Montferrat was a 13th-century noble who became King of Thessalonica following the Fourth Crusade, representing the Montferrat dynasty’s brief rule in Greece.
-
E.
Bohemond VII of Antioch
Bohemond VII of Antioch was a 13th-century nobleman who ruled as Prince of Antioch and Count of Tripoli during the final years of the Crusader states in the Levant.
- 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: William II of Villehardouin Target entity description: William II of Villehardouin was a 13th-century Frankish prince of Achaea and prominent Crusader noble who ruled much of the Peloponnese in medieval Greece.
-
A.
Raoul I de Courtenay
Raoul I de Courtenay was a medieval French nobleman and early member of the Courtenay lineage, associated with the rise of this prominent aristocratic house.
-
B.
Bohemond IV of Antioch
Bohemond IV of Antioch was a 13th-century Norman crusader prince who ruled both the Principality of Antioch and the County of Tripoli amid prolonged dynastic and political conflicts in the Levant.
-
C.
Bohemond V of Antioch
Bohemond V of Antioch was a 13th-century nobleman who ruled the Crusader Principality of Antioch and the County of Tripoli, continuing the Italo-Norman Hauteville dynasty’s influence in the eastern Mediterranean.
-
D.
Demetrius of Montferrat
Demetrius of Montferrat was a 13th-century noble who became King of Thessalonica following the Fourth Crusade, representing the Montferrat dynasty’s brief rule in Greece.
-
E.
Bohemond VII of Antioch
Bohemond VII of Antioch was a 13th-century nobleman who ruled as Prince of Antioch and Count of Tripoli during the final years of the Crusader states in the Levant.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
13th-century person
ⓘ
Crusader ⓘ Frankish noble ⓘ Prince of Achaea ⓘ medieval ruler ⓘ |
| allegiance |
Kingdom of Sicily under Charles I of Anjou
NERFINISHED
ⓘ
Latin Empire (earlier in his reign) NERFINISHED ⓘ |
| birthPlace | Principality of Achaea NERFINISHED ⓘ |
| captivityEvent | captured after the Battle of Pelagonia ⓘ |
| capturedBy | Empire of Nicaea NERFINISHED ⓘ |
| cededTerritory | rights of succession to the Principality of Achaea to Charles I of Anjou ⓘ |
| centuryOfActivity | 13th century ⓘ |
| countryRuled | Principality of Achaea NERFINISHED ⓘ |
| deathDate | 1278 ⓘ |
| deathPlace | Principality of Achaea NERFINISHED ⓘ |
| ethnicOrigin | French ⓘ |
| familyName | Villehardouin NERFINISHED ⓘ |
| father | Geoffrey II of Villehardouin NERFINISHED ⓘ |
| fortificationBuilt |
Castle of Clermont (Chlemoutsi)
NERFINISHED
ⓘ
Castle of Kalamata NERFINISHED ⓘ Castle of Mistra NERFINISHED ⓘ |
| fullName | William II of Villehardouin NERFINISHED ⓘ |
| givenName | William ⓘ |
| historicalPeriod | Frankokratia in Greece NERFINISHED ⓘ |
| knownFor |
close alliance with the Papacy
ⓘ
expansion and consolidation of Frankish rule in the Peloponnese ⓘ |
| languageUsed | Old French ⓘ |
| mother | Agnes of Courtenay NERFINISHED ⓘ |
| nobleFamily | House of Villehardouin NERFINISHED ⓘ |
| participatedIn |
Battle of Pelagonia
NERFINISHED
ⓘ
War of the Euboeote Succession NERFINISHED ⓘ |
| predecessor | Geoffrey II of Villehardouin NERFINISHED ⓘ |
| regionRuled |
Morea
NERFINISHED
ⓘ
Peloponnese NERFINISHED ⓘ |
| reignEnd | 1278 ⓘ |
| reignStart | 1246 ⓘ |
| religion | Roman Catholicism ⓘ |
| ruledFrom |
Andravida
NERFINISHED
ⓘ
Clarence (Chlemoutsi) NERFINISHED ⓘ |
| sphereOfInfluence | medieval Greece ⓘ |
| spouse |
Anna Komnene Doukaina
NERFINISHED
ⓘ
Carintana dalle Carceri NERFINISHED ⓘ |
| style | Prince of the Morea NERFINISHED ⓘ |
| successor | Charles I of Anjou NERFINISHED ⓘ |
| title | Prince of Achaea NERFINISHED ⓘ |
| treatySigned | Treaty of Viterbo NERFINISHED ⓘ |
| treatySignedWith | Charles I of Anjou NERFINISHED ⓘ |
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: William II of Villehardouin Description of subject: William II of Villehardouin was a 13th-century Frankish prince of Achaea and prominent Crusader noble who ruled much of the Peloponnese in medieval Greece.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.