Prusias II of Bithynia
E369502
Prusias II of Bithynia was a Hellenistic king who ruled the ancient kingdom of Bithynia in northwestern Anatolia during the 2nd century BCE.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Prusias II of Bithynia canonical | 5 |
How this entity was disambiguated
This entity first appeared as the object of triple T3289389 — 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: Prusias II of Bithynia Context triple: [Prusias I of Bithynia, successor, Prusias II of Bithynia]
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A.
Prusias I of Bithynia
Prusias I of Bithynia was a Hellenistic king of Bithynia in northwestern Anatolia, known for his involvement in regional power struggles and for giving refuge to the Carthaginian general Hannibal.
-
B.
Nicomedes I of Bithynia
Nicomedes I of Bithynia was a 3rd-century BC king of Bithynia in northwestern Anatolia, noted for his ambitious state-building, dynastic struggles, and close dealings with emerging Roman power.
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C.
Mithridates V Euergetes
Mithridates V Euergetes was a 2nd-century BC Hellenistic king of Pontus known for his alliance with Rome and for laying the foundations of the kingdom’s later expansion under his son Mithridates VI.
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D.
Ariobarzanes of Pontus
Ariobarzanes of Pontus was a Hellenistic-era monarch who briefly ruled the Kingdom of Pontus in northern Anatolia during the 3rd century BC.
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E.
Polemon II of Pontus
Polemon II of Pontus was a 1st-century client king of the Roman Empire who ruled in the regions of Pontus, Cilicia, and Colchis and was notable for his political alliances and brief marriage to the Judean queen Berenice.
- 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: Prusias II of Bithynia Target entity description: Prusias II of Bithynia was a Hellenistic king who ruled the ancient kingdom of Bithynia in northwestern Anatolia during the 2nd century BCE.
-
A.
Prusias I of Bithynia
Prusias I of Bithynia was a Hellenistic king of Bithynia in northwestern Anatolia, known for his involvement in regional power struggles and for giving refuge to the Carthaginian general Hannibal.
-
B.
Nicomedes I of Bithynia
Nicomedes I of Bithynia was a 3rd-century BC king of Bithynia in northwestern Anatolia, noted for his ambitious state-building, dynastic struggles, and close dealings with emerging Roman power.
-
C.
Mithridates V Euergetes
Mithridates V Euergetes was a 2nd-century BC Hellenistic king of Pontus known for his alliance with Rome and for laying the foundations of the kingdom’s later expansion under his son Mithridates VI.
-
D.
Ariobarzanes of Pontus
Ariobarzanes of Pontus was a Hellenistic-era monarch who briefly ruled the Kingdom of Pontus in northern Anatolia during the 3rd century BC.
-
E.
Polemon II of Pontus
Polemon II of Pontus was a 1st-century client king of the Roman Empire who ruled in the regions of Pontus, Cilicia, and Colchis and was notable for his political alliances and brief marriage to the Judean queen Berenice.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
Bithynian monarch
ⓘ
Hellenistic ruler ⓘ human ⓘ king ⓘ |
| activeInCentury | 2nd century BCE ⓘ |
| allyOf | Roman Republic ⓘ |
| associatedWith |
Nicomedia
ⓘ
linked to:
Nicomedia (traditionally)
Prusias ad Hypium ⓘ |
| birthPlace | Bithynia ⓘ |
| capitalOfRealm |
Nicomedia
ⓘ
linked to:
Nicomedia (traditionally)
|
| child | Nicomedes II Epiphanes ⓘ |
| coinage | issued Hellenistic silver and bronze coins ⓘ |
| conflictWith |
Attalus II of Pergamon
ⓘ
linked to:
Attalus II Philadelphus
Eumenes II of Pergamon ⓘ
linked to:
Eumenes II
|
| continent | Asia ⓘ |
| countryRuled | Bithynia ⓘ |
| deathCause | assassination ⓘ |
| deathPlace | Bithynia ⓘ |
| diplomaticRelationsWith |
Kingdom of Pergamon
ⓘ
Roman Senate ⓘ Seleucid Empire ⓘ |
| era | Hellenistic period ⓘ |
| ethnicGroup | Greek ⓘ |
| father | Prusias I of Bithynia ⓘ |
| hasTitle | Basileus ⓘ |
| historicalSource |
Appian
ⓘ
Livy ⓘ Polybius ⓘ |
| house |
Bithynian royal dynasty
ⓘ
linked to:
Royal house of Bithynia
|
| killedBy | supporters of Nicomedes II Epiphanes ⓘ |
| knownFor |
heavy taxation of his subjects
ⓘ
territorial ambitions against Pergamon ⓘ unpopular rule in Bithynia ⓘ |
| mother | Apama III ⓘ |
| nativeLanguage | Ancient Greek ⓘ |
| notableEvent |
conflict with Pergamon
ⓘ
involvement in Roman–Seleucid diplomatic affairs ⓘ |
| positionHeld | King of Bithynia ⓘ |
| predecessor | Prusias I of Bithynia ⓘ |
| regionRuled | northwestern Anatolia ⓘ |
| reignEnd | 149 BCE ⓘ |
| reignStart | 182 BCE ⓘ |
| religion | Ancient Greek religion ⓘ |
| spouse |
Apame IV
ⓘ
linked to:
Apame of Bithynia
|
| style | Hellenistic monarchy ⓘ |
| successor | Nicomedes II Epiphanes ⓘ |
| successorStateRelation | Bithynia later became a Roman province ⓘ |
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: Prusias II of Bithynia Description of subject: Prusias II of Bithynia was a Hellenistic king who ruled the ancient kingdom of Bithynia in northwestern Anatolia during the 2nd century BCE.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.