Count Otto I of Nassau-Dillenburg
E771488
Count Otto I of Nassau-Dillenburg was a medieval German nobleman who founded the younger Nassau-Dillenburg line, an important branch of the House of Nassau.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Count Otto I of Nassau-Dillenburg canonical | 1 |
| Otto I, Count of Nassau | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8797662 — 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: Count Otto I of Nassau-Dillenburg Context triple: [Nassau-Dillenburg line, hasMember, Count Otto I of Nassau-Dillenburg]
-
A.
William of Nassau-Siegen
William of Nassau-Siegen was a 17th-century German nobleman and military commander from the House of Nassau who served prominently in European conflicts of his time.
-
B.
Otto, Duke of Brunswick-Grubenhagen
Otto, Duke of Brunswick-Grubenhagen, was a 14th-century German prince of the Welf dynasty who became King of Naples through his marriage to Queen Joanna I.
-
C.
George, Count of Nassau-Dillenburg
George, Count of Nassau-Dillenburg was a 16th–17th century German nobleman of the House of Nassau who ruled the small county of Nassau-Dillenburg within the Holy Roman Empire.
-
D.
John Louis of Nassau-Hadamar
John Louis of Nassau-Hadamar was a 17th-century German count of the House of Nassau who established and led the small principality of Nassau-Hadamar within the Holy Roman Empire.
-
E.
Dietrich, Count of Oldenburg
Dietrich, Count of Oldenburg was a 15th-century German nobleman from the House of Oldenburg whose lineage founded the royal dynasty that came to rule Denmark, Norway, and later other European thrones.
- 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: Count Otto I of Nassau-Dillenburg Target entity description: Count Otto I of Nassau-Dillenburg was a medieval German nobleman who founded the younger Nassau-Dillenburg line, an important branch of the House of Nassau.
-
A.
William of Nassau-Siegen
William of Nassau-Siegen was a 17th-century German nobleman and military commander from the House of Nassau who served prominently in European conflicts of his time.
-
B.
Otto, Duke of Brunswick-Grubenhagen
Otto, Duke of Brunswick-Grubenhagen, was a 14th-century German prince of the Welf dynasty who became King of Naples through his marriage to Queen Joanna I.
-
C.
George, Count of Nassau-Dillenburg
George, Count of Nassau-Dillenburg was a 16th–17th century German nobleman of the House of Nassau who ruled the small county of Nassau-Dillenburg within the Holy Roman Empire.
-
D.
John Louis of Nassau-Hadamar
John Louis of Nassau-Hadamar was a 17th-century German count of the House of Nassau who established and led the small principality of Nassau-Hadamar within the Holy Roman Empire.
-
E.
Dietrich, Count of Oldenburg
Dietrich, Count of Oldenburg was a 15th-century German nobleman from the House of Oldenburg whose lineage founded the royal dynasty that came to rule Denmark, Norway, and later other European thrones.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
Count
ⓘ
founder of a noble line ⓘ medieval German nobleman ⓘ member of the House of Nassau ⓘ |
| activityStartCentury | Middle Ages NERFINISHED ⓘ |
| aristocraticTitle | Count ⓘ |
| belongsToDynasty | House of Nassau NERFINISHED ⓘ |
| branchOfDynastyFounded | younger Nassau-Dillenburg line ⓘ |
| countryOfCitizenship | Holy Roman Empire ⓘ |
| ethnicGroup | German ⓘ |
| founded | younger Nassau-Dillenburg line NERFINISHED ⓘ |
| gender | male ⓘ |
| historicalRegion |
Dillenburg
NERFINISHED
ⓘ
Nassau NERFINISHED ⓘ |
| house | Nassau-Dillenburg branch of the House of Nassau NERFINISHED ⓘ |
| languageOfUse | Middle High German NERFINISHED ⓘ |
| nobleFamily | House of Nassau NERFINISHED ⓘ |
| nobleRank | Count ⓘ |
| notableFor |
being an important ancestor of later Nassau and Orange-Nassau rulers
ⓘ
founding the younger Nassau-Dillenburg line ⓘ |
| partOf |
House of Nassau-Dillenburg
NERFINISHED
ⓘ
high medieval German nobility ⓘ |
| positionHeld | Count in the region of Dillenburg ⓘ |
| realm | County of Nassau-Dillenburg NERFINISHED ⓘ |
| region | German lands of the Holy Roman Empire ⓘ |
| residence |
County of Nassau
NERFINISHED
ⓘ
Dillenburg NERFINISHED ⓘ |
| socialClass | nobility ⓘ |
| timePeriod | High Middle Ages NERFINISHED ⓘ |
| title | Count of Nassau-Dillenburg NERFINISHED ⓘ |
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: Count Otto I of Nassau-Dillenburg Description of subject: Count Otto I of Nassau-Dillenburg was a medieval German nobleman who founded the younger Nassau-Dillenburg line, an important branch of the House of Nassau.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Otto I, Count of Nassau