Gnaeus Calpurnius Piso
E350319
Gnaeus Calpurnius Piso was a Roman senator and governor of Syria best known for his bitter feud with Germanicus and his controversial trial for the latter’s alleged poisoning.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Gnaeus Calpurnius Piso canonical | 3 |
| Gnaeus Calpurnius Piso (consul AD 7) | 1 |
| Gnaeus Calpurnius Piso (governor of Syria) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3270998 — 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: Gnaeus Calpurnius Piso Context triple: [Germanicus, associatedWith, Gnaeus Calpurnius Piso]
-
A.
Gaius Calpurnius Piso
Gaius Calpurnius Piso was a prominent Roman senator best known for leading the famous conspiracy against Emperor Nero in 65 AD.
-
B.
Lucius Calpurnius Piso Licinianus
Lucius Calpurnius Piso Licinianus was a young Roman nobleman briefly designated as emperor Galba’s successor during the turbulent Year of the Four Emperors in 69 AD.
-
C.
Cassius Apronianus
Cassius Apronianus was a Roman senator and provincial governor of the 2nd century, best known as the father of the historian Cassius Dio.
-
D.
Lucilius Bassus
Lucilius Bassus was a 1st-century Roman general who played a key role in suppressing the Jewish Revolt under Emperor Vespasian.
-
E.
Lucius Scribonius Libo
Lucius Scribonius Libo was a Roman senator and statesman of the late Republic, known for his political alliances with figures such as Pompey and for his involvement in the turbulent civil conflicts of the era.
- 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: Gnaeus Calpurnius Piso Target entity description: Gnaeus Calpurnius Piso was a Roman senator and governor of Syria best known for his bitter feud with Germanicus and his controversial trial for the latter’s alleged poisoning.
-
A.
Gaius Calpurnius Piso
Gaius Calpurnius Piso was a prominent Roman senator best known for leading the famous conspiracy against Emperor Nero in 65 AD.
-
B.
Lucius Calpurnius Piso Licinianus
Lucius Calpurnius Piso Licinianus was a young Roman nobleman briefly designated as emperor Galba’s successor during the turbulent Year of the Four Emperors in 69 AD.
-
C.
Cassius Apronianus
Cassius Apronianus was a Roman senator and provincial governor of the 2nd century, best known as the father of the historian Cassius Dio.
-
D.
Lucilius Bassus
Lucilius Bassus was a 1st-century Roman general who played a key role in suppressing the Jewish Revolt under Emperor Vespasian.
-
E.
Lucius Scribonius Libo
Lucius Scribonius Libo was a Roman senator and statesman of the late Republic, known for his political alliances with figures such as Pompey and for his involvement in the turbulent civil conflicts of the era.
- F. None of above. chosen
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf |
Roman governor
ⓘ
Roman senator ⓘ member of the Calpurnii Pisones ⓘ |
| accusedOf | poisoning Germanicus ⓘ |
| activeInPeriod |
early Roman Empire
ⓘ
reign of Tiberius ⓘ |
| associatedWith |
Roman Senate
ⓘ
emperor Tiberius ⓘ
linked to:
Tiberius
|
| causeOfDeath | suicide ⓘ |
| charge |
poisoning
ⓘ
treason ⓘ |
| citizenship | Roman Empire ⓘ |
| cognomen | Piso ⓘ |
| conflict | feud with Germanicus ⓘ |
| countryOfGovernorship | Roman province of Syria ⓘ |
| employer | Roman state ⓘ |
| familyName |
Calpurnius
ⓘ
linked to:
Calpurnii Pisones
|
| historicalSource |
Cassius Dio
ⓘ
Suetonius ⓘ Tacitus ⓘ |
| legalStatus | tried by the Roman Senate ⓘ |
| mannerOfDeath | suicide during trial ⓘ |
| notableEvent | trial for alleged poisoning of Germanicus ⓘ |
| notableFor |
high-profile treason and poisoning trial
ⓘ
involvement in Germanicus affair ⓘ |
| opponent |
Germanicus
ⓘ
supporters of Germanicus ⓘ |
| positionHeld |
Roman consul
ⓘ
governor of Syria ⓘ |
| praenomen | Gnaeus ⓘ |
| spouse | Plancina ⓘ |
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: Gnaeus Calpurnius Piso Description of subject: Gnaeus Calpurnius Piso was a Roman senator and governor of Syria best known for his bitter feud with Germanicus and his controversial trial for the latter’s alleged poisoning.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Gnaeus Calpurnius Piso
linked to: Gnaeus Calpurnius Piso