William IV of Holland
E943074
William IV of Holland was a 14th-century Count of Holland, Zeeland, and Hainaut known for his military campaigns and involvement in the regional power struggles of the Low Countries.
All labels observed (1)
| Label | Occurrences |
|---|---|
| William IV of Holland canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11726672 — 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: William IV of Holland Context triple: [House of Avesnes, notableMember, William IV of Holland]
-
A.
King of Holland
King of Holland was the royal title held by Louis Bonaparte when he ruled the Napoleonic client kingdom established in the Netherlands in the early 19th century.
-
B.
Frederick Henry of Orange-Nassau
Frederick Henry of Orange-Nassau was a 17th-century Dutch stadtholder and military leader who significantly strengthened the Dutch Republic during the Eighty Years' War.
-
C.
Prince Frederick of the Netherlands
Prince Frederick of the Netherlands was a 19th-century Dutch prince and military leader, known as the second son of King William I and for his influential roles in the army and public life of the Kingdom of the Netherlands.
-
D.
Henry Casimir II of Nassau-Dietz
Henry Casimir II of Nassau-Dietz was a 17th-century Dutch nobleman who served as Stadtholder of Friesland, Groningen, and Drenthe and was a prominent member of the House of Orange-Nassau.
-
E.
John William Friso, Prince of Orange
John William Friso, Prince of Orange, was a Dutch stadtholder and military leader whose lineage founded the modern House of Orange-Nassau that later produced the kings and queens of the Netherlands.
- 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: William IV of Holland Target entity description: William IV of Holland was a 14th-century Count of Holland, Zeeland, and Hainaut known for his military campaigns and involvement in the regional power struggles of the Low Countries.
-
A.
King of Holland
King of Holland was the royal title held by Louis Bonaparte when he ruled the Napoleonic client kingdom established in the Netherlands in the early 19th century.
-
B.
Frederick Henry of Orange-Nassau
Frederick Henry of Orange-Nassau was a 17th-century Dutch stadtholder and military leader who significantly strengthened the Dutch Republic during the Eighty Years' War.
-
C.
Prince Frederick of the Netherlands
Prince Frederick of the Netherlands was a 19th-century Dutch prince and military leader, known as the second son of King William I and for his influential roles in the army and public life of the Kingdom of the Netherlands.
-
D.
Henry Casimir II of Nassau-Dietz
Henry Casimir II of Nassau-Dietz was a 17th-century Dutch nobleman who served as Stadtholder of Friesland, Groningen, and Drenthe and was a prominent member of the House of Orange-Nassau.
-
E.
John William Friso, Prince of Orange
John William Friso, Prince of Orange, was a Dutch stadtholder and military leader whose lineage founded the modern House of Orange-Nassau that later produced the kings and queens of the Netherlands.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
Count
ⓘ
human ⓘ medieval ruler ⓘ |
| ally | King Edward III of England NERFINISHED ⓘ |
| birthDate | 1307 ⓘ |
| burialPlace | Valenciennes NERFINISHED ⓘ |
| causeOfDeath | killed in battle ⓘ |
| centuryOfActivity | 14th century ⓘ |
| child | no legitimate issue ⓘ |
| conflict |
Frisian–Hollandic wars
NERFINISHED
ⓘ
regional power struggles in the Low Countries ⓘ |
| country |
County of Hainaut
NERFINISHED
ⓘ
County of Holland NERFINISHED ⓘ County of Zeeland NERFINISHED ⓘ |
| deathDate | 1345-09-26 ⓘ |
| deathPlace |
Battle of Warns
NERFINISHED
ⓘ
near Warns, Friesland ⓘ |
| father | William I, Count of Hainaut NERFINISHED ⓘ |
| givenName | William ⓘ |
| house | House of Avesnes NERFINISHED ⓘ |
| knownFor |
involvement in Low Countries power politics
ⓘ
military campaigns against the Frisians ⓘ |
| language | Middle Dutch NERFINISHED ⓘ |
| marriageDate | 1334 ⓘ |
| maternalGrandfather | Charles of Valois NERFINISHED ⓘ |
| maternalGrandmother | Margaret, Countess of Anjou NERFINISHED ⓘ |
| mother | Joan of Valois NERFINISHED ⓘ |
| nobleTitle |
Count of Hainaut
NERFINISHED
ⓘ
Count of Holland NERFINISHED ⓘ Count of Zeeland NERFINISHED ⓘ |
| notableBattle | Battle of Warns NERFINISHED ⓘ |
| paternalGrandfather | John II, Count of Hainaut NERFINISHED ⓘ |
| paternalGrandmother | Philippa of Luxembourg NERFINISHED ⓘ |
| politicalAlliance | supported England in early phase of Hundred Years' War ⓘ |
| predecessor | William I, Count of Hainaut NERFINISHED ⓘ |
| region | Low Countries NERFINISHED ⓘ |
| reignEnd | 1345 ⓘ |
| reignStart | 1337 ⓘ |
| relative | Philip VI of France (maternal uncle) NERFINISHED ⓘ |
| religion | Roman Catholicism ⓘ |
| sibling |
Margaret II of Hainaut
NERFINISHED
ⓘ
Philippa of Hainaut NERFINISHED ⓘ |
| spouse | Joanna of Brabant NERFINISHED ⓘ |
| successor |
Margaret II of Hainaut
NERFINISHED
ⓘ
Margaret of Bavaria (as Countess consort and regent in related territories) NERFINISHED ⓘ |
| titleAcquisition |
succeeded his father as Count of Hainaut in 1337
ⓘ
succeeded his father as Count of Holland and Zeeland in 1337 ⓘ |
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: William IV of Holland Description of subject: William IV of Holland was a 14th-century Count of Holland, Zeeland, and Hainaut known for his military campaigns and involvement in the regional power struggles of the Low Countries.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.