Hieron II of Syracuse
E522394
Hieron II of Syracuse was a 3rd-century BC king and military leader who stabilized and enriched Syracuse through shrewd alliances, notably with Rome, and extensive public works.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Hieron II of Syracuse canonical | 2 |
| Hiero II of Syracuse | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5427275 — 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: Hieron II of Syracuse Context triple: [Syracuse, Sicily, governedBy, Hieron II of Syracuse]
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A.
Hieron I of Syracuse
Hieron I of Syracuse was a powerful 5th-century BCE tyrant of Syracuse known for his military successes, political influence in Magna Graecia, and patronage of prominent poets such as Pindar and Aeschylus.
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B.
Gelon of Gela
Gelon of Gela was a powerful early 5th-century BC Greek tyrant who rose to rule both Gela and Syracuse, playing a major role in Sicilian and wider Greek politics during the Persian Wars era.
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C.
Dionysius I of Syracuse
Dionysius I of Syracuse was a powerful 4th-century BCE tyrant of Syracuse known for his military campaigns against Carthage and his transformation of the city into a major Mediterranean power.
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D.
Dionysius II of Syracuse
Dionysius II of Syracuse was a 4th-century BC tyrant of Syracuse whose troubled and often ineffectual rule contrasted with that of his powerful father and led to political instability and eventual exile.
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E.
Aristomache of Syracuse
Aristomache of Syracuse was an ancient Greek noblewoman best known as one of the wives of the tyrant Dionysius I of Syracuse and a member of his powerful Sicilian court.
- 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: Hieron II of Syracuse Target entity description: Hieron II of Syracuse was a 3rd-century BC king and military leader who stabilized and enriched Syracuse through shrewd alliances, notably with Rome, and extensive public works.
-
A.
Hieron I of Syracuse
Hieron I of Syracuse was a powerful 5th-century BCE tyrant of Syracuse known for his military successes, political influence in Magna Graecia, and patronage of prominent poets such as Pindar and Aeschylus.
-
B.
Gelon of Gela
Gelon of Gela was a powerful early 5th-century BC Greek tyrant who rose to rule both Gela and Syracuse, playing a major role in Sicilian and wider Greek politics during the Persian Wars era.
-
C.
Dionysius I of Syracuse
Dionysius I of Syracuse was a powerful 4th-century BCE tyrant of Syracuse known for his military campaigns against Carthage and his transformation of the city into a major Mediterranean power.
-
D.
Dionysius II of Syracuse
Dionysius II of Syracuse was a 4th-century BC tyrant of Syracuse whose troubled and often ineffectual rule contrasted with that of his powerful father and led to political instability and eventual exile.
-
E.
Aristomache of Syracuse
Aristomache of Syracuse was an ancient Greek noblewoman best known as one of the wives of the tyrant Dionysius I of Syracuse and a member of his powerful Sicilian court.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Hellenistic ruler
ⓘ
ancient Greek person ⓘ king ⓘ military leader ⓘ tyrant of Syracuse ⓘ |
| ally | Roman Republic NERFINISHED ⓘ |
| associatedWith | Archimedes NERFINISHED ⓘ |
| child |
Damarata of Syracuse
NERFINISHED
ⓘ
Gelo II of Syracuse NERFINISHED ⓘ |
| commissioned | Archimedes to investigate the purity of a golden crown NERFINISHED ⓘ |
| conflict | First Punic War NERFINISHED ⓘ |
| country | Syracuse NERFINISHED ⓘ |
| culture | Ancient Greek ⓘ |
| currencyPolicy | issued coinage bearing his name and image ⓘ |
| dateOfBirth | circa 308 BC ⓘ |
| dateOfDeath | 215 BC ⓘ |
| economicActivity | development of agriculture in Syracuse’s territory ⓘ |
| era |
3rd century BC
ⓘ
Hellenistic period ⓘ |
| ethnicGroup | Greek ⓘ |
| father | Hierocles of Syracuse NERFINISHED ⓘ |
| formerAlly | Carthage NERFINISHED ⓘ |
| fortification | strengthening of Syracuse’s defenses ⓘ |
| governmentType | monarchy ⓘ |
| knownFor |
efficient administration
ⓘ
public building programs ⓘ shrewd diplomacy ⓘ support of arts and religion ⓘ |
| language | Greek ⓘ |
| militaryRank | general ⓘ |
| notableAchievement |
enrichment of Syracuse through economic reforms
ⓘ
long period of peace and prosperity for Syracuse ⓘ stabilization of Syracuse ⓘ |
| notableWork | construction of public works in Syracuse ⓘ |
| patronOf | Archimedes NERFINISHED ⓘ |
| placeOfBirth | Syracuse NERFINISHED ⓘ |
| placeOfDeath | Syracuse NERFINISHED ⓘ |
| policy | pro-Roman foreign policy after 263 BC ⓘ |
| positionHeld |
King of Syracuse
NERFINISHED
ⓘ
tyrant of Syracuse ⓘ |
| predecessor | Hicetas of Syracuse NERFINISHED ⓘ |
| reignEnd | 215 BC ⓘ |
| reignStart | 270 BC ⓘ |
| religion | Ancient Greek religion ⓘ |
| residence | Syracuse NERFINISHED ⓘ |
| spouse | Philistis NERFINISHED ⓘ |
| successor | Gelo II of Syracuse NERFINISHED ⓘ |
| treaty | alliance treaty with Rome in 263 BC ⓘ |
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: Hieron II of Syracuse Description of subject: Hieron II of Syracuse was a 3rd-century BC king and military leader who stabilized and enriched Syracuse through shrewd alliances, notably with Rome, and extensive public works.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Hiero II of Syracuse