Illugi Grettisson
E395802
Illugi Grettisson is a character in the Icelandic saga tradition, known as the loyal younger brother and companion of the outlaw hero Grettir Ásmundarson in Grettis saga.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Illugi Grettisson canonical | 1 |
| Illugi Ásmundarson | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3752611 — 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: Illugi Grettisson Context triple: [Grettis saga, featuresCharacter, Illugi Grettisson]
-
A.
Ásmundur Grey-haired
Ásmundur Grey-haired is a character in the Icelandic saga "Grettis saga," known primarily as the father of the outlaw hero Grettir Ásmundarson.
-
B.
Hrólfr
Hrólfr, better known as Rollo, was a Viking leader who became the first ruler of Normandy in the early 10th century.
-
C.
Jóhan
Jóhan is a given name, primarily used in Faroese and other Nordic contexts, that corresponds to the name Johan.
-
D.
Þórsteinn
Þórsteinn is an Old Norse masculine given name, traditionally borne in Iceland and other Nordic countries and associated with Viking Age heritage.
-
E.
Ólafur pái Höskuldsson
Ólafur pái Höskuldsson is a prominent and charismatic chieftain in the Icelandic Laxdæla saga, noted for his wealth, diplomacy, and central role in the saga’s family feuds and alliances.
- 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: Illugi Grettisson Target entity description: Illugi Grettisson is a character in the Icelandic saga tradition, known as the loyal younger brother and companion of the outlaw hero Grettir Ásmundarson in Grettis saga.
-
A.
Ásmundur Grey-haired
Ásmundur Grey-haired is a character in the Icelandic saga "Grettis saga," known primarily as the father of the outlaw hero Grettir Ásmundarson.
-
B.
Hrólfr
Hrólfr, better known as Rollo, was a Viking leader who became the first ruler of Normandy in the early 10th century.
-
C.
Jóhan
Jóhan is a given name, primarily used in Faroese and other Nordic contexts, that corresponds to the name Johan.
-
D.
Þórsteinn
Þórsteinn is an Old Norse masculine given name, traditionally borne in Iceland and other Nordic countries and associated with Viking Age heritage.
-
E.
Ólafur pái Höskuldsson
Ólafur pái Höskuldsson is a prominent and charismatic chieftain in the Icelandic Laxdæla saga, noted for his wealth, diplomacy, and central role in the saga’s family feuds and alliances.
- F. None of above. chosen
Statements (32)
| Predicate | Object |
|---|---|
| instanceOf |
fictional character
ⓘ
saga character ⓘ |
| appearsIn | Grettis saga ⓘ |
| associatedWith |
Drangey Island
ⓘ
outlawry ⓘ |
| characterTrait |
brave
ⓘ
loyal ⓘ steadfast ⓘ |
| companionsWith | Grettir Ásmundarson ⓘ |
| countryOfOrigin | Iceland ⓘ |
| culture | Old Norse ⓘ |
| defends | Grettir Ásmundarson ⓘ |
| diesWith | Grettir Ásmundarson ⓘ |
| ethnicity | Icelander ⓘ |
| father | Ásmundur Grímsson ⓘ |
| fictionalUniverse |
Grettis saga
ⓘ
surface form:
Grettis saga universe
|
| gender | male ⓘ |
| genre | medieval Icelandic saga ⓘ |
| killedBy | enemies of Grettir ⓘ |
| language |
Old Norse language
ⓘ
surface form:
Old Norse
|
| literaryTradition |
Íslendingasögur
ⓘ
surface form:
Icelandic sagas
|
| loyalTo | Grettir Ásmundarson ⓘ |
| mother | Ásdís ⓘ |
| narrativeRole |
loyal companion
ⓘ
supporting character ⓘ |
| notableFor | faithful companionship to Grettir ⓘ |
| occupation | warrior ⓘ |
| relative | Grettir Ásmundarson ⓘ |
| residesAt | Drangey Island ⓘ |
| sibling | Grettir Ásmundarson ⓘ |
| sourceTextLanguage | Old Norse ⓘ |
| timePeriod | Viking Age ⓘ |
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: Illugi Grettisson Description of subject: Illugi Grettisson is a character in the Icelandic saga tradition, known as the loyal younger brother and companion of the outlaw hero Grettir Ásmundarson in Grettis saga.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Illugi Ásmundarson