Iolaus
E397004
Iolaus is a hero in Greek mythology best known as the loyal nephew and charioteer of Heracles, who aided him in several of his labors, especially the slaying of the Hydra.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Iolaus canonical | 5 |
| IolausAssistance | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3888094 — 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: Iolaus Context triple: [Heracles cycle, includesCharacter, Iolaus]
-
A.
Sthenelus
Sthenelus is a figure in Greek mythology, known as a king of Mycenae and a descendant of the hero Perseus.
-
B.
Palamedes
Palamedes is a 1625 Dutch tragedy by Joost van den Vondel that allegorically critiques political and religious injustice in the Dutch Republic.
-
C.
Steropes
Steropes is a one-eyed giant from Greek mythology, one of the Cyclopes known for forging Zeus’s thunderbolts.
-
D.
Pittheus
Pittheus is a figure in Greek mythology, known as the wise king of Troezen and grandfather of the hero Theseus.
-
E.
Demophon
Demophon is a figure in Greek mythology, traditionally known as one of the sons of the Athenian hero Theseus and later a king of Athens.
- 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: Iolaus Target entity description: Iolaus is a hero in Greek mythology best known as the loyal nephew and charioteer of Heracles, who aided him in several of his labors, especially the slaying of the Hydra.
-
A.
Sthenelus
Sthenelus is a figure in Greek mythology, known as a king of Mycenae and a descendant of the hero Perseus.
-
B.
Palamedes
Palamedes is a 1625 Dutch tragedy by Joost van den Vondel that allegorically critiques political and religious injustice in the Dutch Republic.
-
C.
Steropes
Steropes is a one-eyed giant from Greek mythology, one of the Cyclopes known for forging Zeus’s thunderbolts.
-
D.
Pittheus
Pittheus is a figure in Greek mythology, known as the wise king of Troezen and grandfather of the hero Theseus.
-
E.
Demophon
Demophon is a figure in Greek mythology, traditionally known as one of the sons of the Athenian hero Theseus and later a king of Athens.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
Hero in Greek mythology
ⓘ
Mythological figure ⓘ |
| aidsIn |
Twelve Labors
ⓘ
surface form:
Labors of Heracles
LernaeanHydra ⓘ
surface form:
Slaying of the Lernaean Hydra
|
| assists | Heracles ⓘ |
| associatedMyth |
Return of the Heracleidae
ⓘ
surface form:
Heracleidae’s return to the Peloponnese
Twelve Labors ⓘ
surface form:
Labors of Heracles
LernaeanHydra ⓘ
surface form:
Lernaean Hydra
|
| associatedWith |
Argonauts
ⓘ
Thebes ⓘ |
| birthplace |
Thebes
ⓘ
surface form:
Thebes (traditional attribution)
|
| characterTrait |
Bravery
ⓘ
Loyalty ⓘ Piety toward family ⓘ |
| charioteerOf | Heracles ⓘ |
| culture | Ancient Greek mythology ⓘ |
| cultVeneration |
Sardinia
ⓘ
surface form:
Sardinia (in later traditions)
Thebes ⓘ |
| deathAndAfterlife | Sometimes said to be rejuvenated by Hebê on Olympus ⓘ |
| family | Heracleidae ⓘ |
| gender | Male ⓘ |
| grandmother | Alcmene ⓘ |
| grandparent | Alcmene ⓘ |
| hasSanctuary | Iolaeum near Thebes ⓘ |
| honoredBy | Athletic games called Iolaeia (in some sources) ⓘ |
| iconography |
Often depicted as a youthful companion of Heracles
ⓘ
Sometimes shown driving Heracles’ chariot ⓘ |
| languageOfPrimarySources | Ancient Greek ⓘ |
| loyalTo | Heracles ⓘ |
| mentionedIn |
Apollodorus' Bibliotheca
ⓘ
surface form:
Apollodorus’ Bibliotheca
Diodorus Siculus ⓘ
surface form:
Diodorus Siculus’ Library of History
Pindar's odes ⓘ
surface form:
Pindar’s odes
|
| nephewOf | Heracles ⓘ |
| notableFor |
Charioteer of Heracles
ⓘ
Loyal nephew and companion of Heracles ⓘ |
| parent | Iphicles ⓘ |
| participatesIn | Battle on behalf of the Heracleidae at Athens (in some versions) ⓘ |
| possibleMemberOf | Argonauts ⓘ |
| relative | Heracles ⓘ |
| role | Guardian of the children of Heracles ⓘ |
| roleInHydraLabor | Cauterized the Hydra’s necks after Heracles cut off the heads ⓘ |
| spouse |
Hebê (in some traditions)
ⓘ
Megara ⓘ
surface form:
Megara (in some traditions)
|
| supports | Children of Heracles ⓘ |
| weaponOrToolUsed | Firebrand to cauterize Hydra’s necks ⓘ |
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: Iolaus Description of subject: Iolaus is a hero in Greek mythology best known as the loyal nephew and charioteer of Heracles, who aided him in several of his labors, especially the slaying of the Hydra.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
IolausAssistance