Thorvald Eiriksson
E358774
Thorvald Eiriksson was a Norse explorer, son of Erik the Red and brother of Leif Eriksson, who led early Viking expeditions to the North American continent around the year 1000.
All labels observed (6)
| Label | Occurrences |
|---|---|
| Thorvald Eiriksson canonical | 4 |
| Thorvald Eriksson | 3 |
| Thorvald | 2 |
| Eiríkr Þorvaldsson | 1 |
| Erik Thorvaldsson | 1 |
| Thorvald Asvaldsson | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3438863 — 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: Thorvald Eiriksson Context triple: [Norse voyages to North America, mainLeader, Thorvald Eiriksson]
-
A.
Thorfinn Karlsefni
Thorfinn Karlsefni was an Icelandic explorer of the early 11th century, best known for leading one of the most significant Norse expeditions to Vinland in North America.
-
B.
Thorfinn Sigurdsson
Thorfinn Sigurdsson, also known as Thorfinn the Mighty, was an 11th-century Earl of Orkney and powerful Norse ruler in the Northern Isles of Scotland.
-
C.
Thorleif Haug
Thorleif Haug was a Norwegian Nordic skier who dominated the early 1920s, winning multiple Olympic gold medals and Holmenkollen titles in cross-country and Nordic combined.
-
D.
Erik the Red
Erik the Red was a 10th-century Norse explorer best known for leading the first successful European settlement in Greenland.
-
E.
Eirik
Eirik is a given name, primarily used in Scandinavian countries, that is a variant of the name Eric.
- 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: Thorvald Eiriksson Target entity description: Thorvald Eiriksson was a Norse explorer, son of Erik the Red and brother of Leif Eriksson, who led early Viking expeditions to the North American continent around the year 1000.
-
A.
Thorfinn Karlsefni
Thorfinn Karlsefni was an Icelandic explorer of the early 11th century, best known for leading one of the most significant Norse expeditions to Vinland in North America.
-
B.
Thorfinn Sigurdsson
Thorfinn Sigurdsson, also known as Thorfinn the Mighty, was an 11th-century Earl of Orkney and powerful Norse ruler in the Northern Isles of Scotland.
-
C.
Thorleif Haug
Thorleif Haug was a Norwegian Nordic skier who dominated the early 1920s, winning multiple Olympic gold medals and Holmenkollen titles in cross-country and Nordic combined.
-
D.
Erik the Red
Erik the Red was a 10th-century Norse explorer best known for leading the first successful European settlement in Greenland.
-
E.
Eirik
Eirik is a given name, primarily used in Scandinavian countries, that is a variant of the name Eric.
- F. None of above. chosen
Statements (40)
| Predicate | Object |
|---|---|
| instanceOf |
Norse explorer
ⓘ
Viking ⓘ historical figure ⓘ |
| activeYears | around 1000 CE ⓘ |
| associatedWith |
Norse colonies in Greenland
ⓘ
surface form:
Greenlandic Norse settlements
exploration of the North Atlantic ⓘ |
| birthPlace | Iceland ⓘ |
| burialPlace | Vinland ⓘ |
| causeOfDeath | arrow wound ⓘ |
| culture | Viking Age Norse ⓘ |
| deathPlace | Vinland ⓘ |
| ethnicity | Norse ⓘ |
| explored |
Vinland
ⓘ
coasts of North America ⓘ regions west of Greenland ⓘ |
| familyName | Eiriksson ⓘ |
| father | Erik the Red ⓘ |
| givenName |
Thorvald Eiriksson
self-linksurface differs
ⓘ
surface form:
Thorvald
|
| historicity | partly legendary ⓘ |
| knownFor |
early Norse exploration of North America
ⓘ
voyages to Vinland ⓘ |
| language |
Old Norse language
ⓘ
surface form:
Old Norse
|
| ledExpeditionFrom | Greenland ⓘ |
| ledExpeditionTo | Vinland ⓘ |
| mother | Thjodhild ⓘ |
| narrativeRole | character in Icelandic sagas ⓘ |
| nationality | Norse Greenlander ⓘ |
| occupation |
explorer
ⓘ
seafarer ⓘ |
| relative |
Erik the Red
ⓘ
Leif Erikson ⓘ
surface form:
Leif Eriksson
|
| religion | Norse paganism ⓘ |
| residence | Greenland ⓘ |
| sibling |
Freydís Eiríksdóttir
ⓘ
surface form:
Freydis Eiriksdottir
Leif Erikson ⓘ
surface form:
Leif Eriksson
Thorstein Eiriksson ⓘ |
| source |
Saga of Erik the Red
ⓘ
surface form:
Erik the Red’s Saga
Saga of the Greenlanders ⓘ |
| timePeriod | Viking Age ⓘ |
| voyageSequence | sailed to Vinland after Leif Eriksson’s initial voyage ⓘ |
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: Thorvald Eiriksson Description of subject: Thorvald Eiriksson was a Norse explorer, son of Erik the Red and brother of Leif Eriksson, who led early Viking expeditions to the North American continent around the year 1000.
Referenced by (12)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Eiríkr Þorvaldsson
this entity surface form:
Thorvald Asvaldsson
this entity surface form:
Thorvald Eriksson
this entity surface form:
Thorvald
this entity surface form:
Thorvald
this entity surface form:
Thorvald Eriksson