Albert Frederick, Duke of Prussia
E527654
Albert Frederick, Duke of Prussia was a 16th-century German prince of the Hohenzollern dynasty who ruled the Duchy of Prussia and was known for his mental illness, which led to regency by his relatives.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Albert Frederick, Duke of Prussia canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T5178026 — 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: Albert Frederick, Duke of Prussia Context triple: [Duke of Prussia, heldBy, Albert Frederick, Duke of Prussia]
-
A.
Prince Albrecht of Prussia
Prince Albrecht of Prussia was a 19th-century Prussian prince and general of the Hohenzollern dynasty who played a prominent role in the military and political life of the Kingdom of Prussia.
-
B.
Prince Augustus Ferdinand of Prussia
Prince Augustus Ferdinand of Prussia was an 18th-century Prussian prince and military commander, the youngest son of King Frederick William I and brother of Frederick the Great.
-
C.
Prince William of Prussia
Prince William of Prussia was the Prussian royal who became the first German Emperor (Kaiser) and King of Prussia, playing a central role in the unification of Germany in 1871.
-
D.
Charles Leopold, Duke of Mecklenburg-Schwerin
Charles Leopold, Duke of Mecklenburg-Schwerin, was an 18th-century German nobleman and ruler of the Mecklenburg-Schwerin duchy, notable as the father of Russian regent Anna Leopoldovna.
-
E.
Prince Heinrich of Prussia
Prince Heinrich of Prussia was a German royal prince and naval officer who became one of the leading admirals of the Imperial German Navy in the late 19th and early 20th centuries.
- 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: Albert Frederick, Duke of Prussia Target entity description: Albert Frederick, Duke of Prussia was a 16th-century German prince of the Hohenzollern dynasty who ruled the Duchy of Prussia and was known for his mental illness, which led to regency by his relatives.
-
A.
Prince Albrecht of Prussia
Prince Albrecht of Prussia was a 19th-century Prussian prince and general of the Hohenzollern dynasty who played a prominent role in the military and political life of the Kingdom of Prussia.
-
B.
Prince Augustus Ferdinand of Prussia
Prince Augustus Ferdinand of Prussia was an 18th-century Prussian prince and military commander, the youngest son of King Frederick William I and brother of Frederick the Great.
-
C.
Prince William of Prussia
Prince William of Prussia was the Prussian royal who became the first German Emperor (Kaiser) and King of Prussia, playing a central role in the unification of Germany in 1871.
-
D.
Charles Leopold, Duke of Mecklenburg-Schwerin
Charles Leopold, Duke of Mecklenburg-Schwerin, was an 18th-century German nobleman and ruler of the Mecklenburg-Schwerin duchy, notable as the father of Russian regent Anna Leopoldovna.
-
E.
Prince Heinrich of Prussia
Prince Heinrich of Prussia was a German royal prince and naval officer who became one of the leading admirals of the Imperial German Navy in the late 19th and early 20th centuries.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
German prince
ⓘ
duke ⓘ human ⓘ member of the House of Hohenzollern ⓘ |
| associatedWithPlace | Prussia NERFINISHED ⓘ |
| burialPlace | Königsberg Cathedral NERFINISHED ⓘ |
| causeOfPoliticalChange | incapacity to rule due to mental illness ⓘ |
| child |
Albrecht Friedrich’s unnamed children (multiple daughters)
ⓘ
Anna of Prussia NERFINISHED ⓘ Marie of Prussia NERFINISHED ⓘ |
| citizenship | Duchy of Prussia NERFINISHED ⓘ |
| confession | Protestant ⓘ |
| countryOfTitle | Duchy of Prussia NERFINISHED ⓘ |
| dateOfBirth | 1553-05-07 ⓘ |
| dateOfDeath | 1618-08-27 ⓘ |
| dynasty | Hohenzollern dynasty NERFINISHED ⓘ |
| endOfReign | 1618 ⓘ |
| era |
16th century
ⓘ
early 17th century ⓘ |
| father | Albert, Duke of Prussia NERFINISHED ⓘ |
| fullName | Albert Frederick of Prussia NERFINISHED ⓘ |
| givenName |
Albert
NERFINISHED
ⓘ
Albrecht NERFINISHED ⓘ Albrecht Friedrich NERFINISHED ⓘ |
| hadRegent |
George Frederick, Margrave of Brandenburg-Ansbach
NERFINISHED
ⓘ
Joachim Frederick, Elector of Brandenburg NERFINISHED ⓘ John Sigismund, Elector of Brandenburg NERFINISHED ⓘ |
| healthCondition | mental illness ⓘ |
| house | House of Hohenzollern NERFINISHED ⓘ |
| language | German ⓘ |
| mother | Anna Marie of Brunswick-Lüneburg NERFINISHED ⓘ |
| nobleRank | duke ⓘ |
| nobleTitle | Duke of Prussia NERFINISHED ⓘ |
| notableFor |
mental illness
ⓘ
rule of the Duchy of Prussia in the late 16th and early 17th centuries ⓘ |
| placeOfBirth |
Königsberg
NERFINISHED
ⓘ
Königsberg, Duchy of Prussia NERFINISHED ⓘ |
| placeOfDeath |
Fischhausen
NERFINISHED
ⓘ
Fischhausen, Duchy of Prussia NERFINISHED ⓘ |
| politicalStatusOfDuchy | fief of the Kingdom of Poland during his reign ⓘ |
| positionHeld | Duke of Prussia NERFINISHED ⓘ |
| predecessor | Albert, Duke of Prussia NERFINISHED ⓘ |
| regencyBegan | 1577 ⓘ |
| regencyReason | mental incapacity ⓘ |
| religion | Lutheranism ⓘ |
| spouse | Marie Eleonore of Cleves NERFINISHED ⓘ |
| startOfReign | 1568 ⓘ |
| successor | John Sigismund, Elector of Brandenburg NERFINISHED ⓘ |
| titleInheritedFrom | Albert, Duke of Prussia 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: Albert Frederick, Duke of Prussia Description of subject: Albert Frederick, Duke of Prussia was a 16th-century German prince of the Hohenzollern dynasty who ruled the Duchy of Prussia and was known for his mental illness, which led to regency by his relatives.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
John Sigismund, Elector of Brandenburg
→
predecessorAsDukeOfPrussia
→
Albert Frederick, Duke of Prussia
ⓘ