Pharnaces II of Pontus
E335597
Pharnaces II of Pontus was a 1st-century BC king best known as the son of Mithridates VI and for his failed attempt to challenge Roman power, culminating in his swift defeat by Julius Caesar at the Battle of Zela.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Pharnaces II of Pontus canonical | 4 |
| Pharnaces II of Phrygia | 2 |
| Pharnaces | 1 |
| Pharnaces II of Pontus (as earlier Pontic king, non-direct) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3083442 — 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: Pharnaces II of Pontus Context triple: [Pontus, hasRuler, Pharnaces II of Pontus]
-
A.
Pharnaces I of Pontus
Pharnaces I of Pontus was a 2nd-century BC king who expanded the Pontic Kingdom’s power around the Black Sea and founded the important port city of Pharnacia.
-
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.
Pharnabazus II
Pharnabazus II was a 4th-century BC Persian satrap of Hellespontine Phrygia who played a key role in Achaemenid military and diplomatic efforts against Sparta, notably by supporting Athens and its allies.
-
D.
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.
-
E.
Nicomedes IV
Nicomedes IV was the final monarch of the ancient kingdom of Bithynia, known for bequeathing his realm to the Roman Republic, which led to its annexation as a Roman province.
- 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: Pharnaces II of Pontus Target entity description: Pharnaces II of Pontus was a 1st-century BC king best known as the son of Mithridates VI and for his failed attempt to challenge Roman power, culminating in his swift defeat by Julius Caesar at the Battle of Zela.
-
A.
Pharnaces I of Pontus
Pharnaces I of Pontus was a 2nd-century BC king who expanded the Pontic Kingdom’s power around the Black Sea and founded the important port city of Pharnacia.
-
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.
Pharnabazus II
Pharnabazus II was a 4th-century BC Persian satrap of Hellespontine Phrygia who played a key role in Achaemenid military and diplomatic efforts against Sparta, notably by supporting Athens and its allies.
-
D.
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.
-
E.
Nicomedes IV
Nicomedes IV was the final monarch of the ancient kingdom of Bithynia, known for bequeathing his realm to the Roman Republic, which led to its annexation as a Roman province.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
human
ⓘ
king ⓘ monarch of Pontus ⓘ |
| aftermathOfDefeat | loss of his kingdom ⓘ |
| alliance | local Anatolian and Pontic nobles opposed to Rome ⓘ |
| causeOfDeath | killed during a revolt by Asander of the Bosporus ⓘ |
| conflict |
Caesar’s Civil War (eastern campaign)
ⓘ
linked to:
Caesar’s civil war
Mithridatic–Roman conflicts ⓘ
linked to:
Mithridatic Wars with Rome
|
| countryOfCitizenship | Kingdom of Pontus ⓘ |
| dateOfBirth | circa 97 BC ⓘ |
| dateOfDeath | 47 BC ⓘ |
| era | 1st century BC ⓘ |
| ethnicGroup |
Anatolian Greeks
ⓘ
linked to:
Cappadocians
Persian ⓘ |
| event |
rebellion against Roman authority in 48–47 BC
ⓘ
usurpation of the Bosporan Kingdom from his father Mithridates VI ⓘ |
| father |
Mithridates VI of Pontus
ⓘ
linked to:
Mithridates VI Eupator
|
| givenName |
Pharnaces
ⓘ
linked to:
Pharnaces II of Pontus
|
| knownFor |
being defeated by Julius Caesar at the Battle of Zela
ⓘ
challenging Roman power in Asia Minor ⓘ |
| languageSpoken | Greek ⓘ |
| mother | Laodice (wife of Mithridates VI) ⓘ |
| notableEvent | Battle of Zela ⓘ |
| notableFamily | Mithridatic dynasty ⓘ |
| notableQuoteContext | defeat that prompted Julius Caesar’s phrase "veni, vidi, vici" after Zela ⓘ |
| occupation | ruler ⓘ |
| opponent |
Deiotarus of Galatia
ⓘ
Gnaeus Domitius Calvinus ⓘ Julius Caesar ⓘ |
| parentOf |
Darius of Pontus
ⓘ
Dynamis of the Bosporus ⓘ |
| placeOfDeath |
Sinope
ⓘ
linked to:
Sinop
|
| positionHeld |
King of Pontus
ⓘ
King of the Bosporan Kingdom ⓘ |
| predecessor |
Mithridates VI of Pontus
ⓘ
linked to:
Mithridates VI Eupator
|
| regionRuled |
Bosporan Kingdom
ⓘ
Pontus ⓘ |
| reignEnd | 47 BC ⓘ |
| reignStart | circa 63 BC ⓘ |
| religion | Hellenistic polytheism ⓘ |
| sexOrGender | male ⓘ |
| sibling |
Cleopatra of Pontus
ⓘ
Laodice of Cappadocia ⓘ Mithridates of Pergamon ⓘ |
| successor | Asander of the Bosporus ⓘ |
| treatyOrAgreement | initial submission to Pompey after Mithridates VI’s defeat ⓘ |
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: Pharnaces II of Pontus Description of subject: Pharnaces II of Pontus was a 1st-century BC king best known as the son of Mithridates VI and for his failed attempt to challenge Roman power, culminating in his swift defeat by Julius Caesar at the Battle of Zela.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Pharnaces II of Pontus
linked to: Pharnaces II of Pontus
linked to: Pharnaces II of Pontus
linked to: Pharnaces II of Pontus