usurper Roman emperor

C11362
concept

A usurper Roman emperor is an individual who illegitimately seizes imperial power, typically through rebellion or military support, without lawful succession or recognition by established authorities.

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All labels observed (7)

Label Occurrences
Roman usurper 9
Roman usurper emperor 6
usurper Roman emperor canonical 6

Description generation (CDg)

The one-sentence description above was generated by prompting gpt-5.1 with the class name and this instruction.

Instruction
generate a one-sentence description for a given conceptual class.
# Response Format
Return only the sentence: "Description: [one-sentence description of the conceptional class]"
Input
Class: usurper Roman emperor
Generated description
A usurper Roman emperor is an individual who illegitimately seizes imperial power, typically through rebellion or military support, without lawful succession or recognition by established authorities.

Instances (26)

Instance Via concept surface
Priscus Attalus —
Laelianus —
Marius Roman usurper
Jovinus Roman usurper
Vaballathus Roman usurper
Tetricus II Roman usurper emperor
Magnentius Roman usurper
Julia Cassia Alexandra
surface form: Avidius Cassius
—
Avidii
surface form: Avidius Cassius
Roman usurper emperor
Eugenius Roman usurper
Joannes Roman usurper emperor
Marcus Aurelius Valerius Maxentius usurper emperor
Romanos I Lekapenos usurper emperor
Avidius Cassius —
revolt of Marcian
surface form: Marcian
usurper claimant
Allectus Roman usurper
Usurpation of Procopius Roman imperial usurpation
Pescennius Niger Roman usurper emperor
Clodius Albinus Roman usurper
Marcus Cassianius Latinius Postumus Roman usurper emperor
Saloninus Roman imperial claimant
Ulpius Cornelius Laelianus Roman usurper
Imperator Caesar Postumus Pius Felix Invictus Augustus
surface form: Postumus
—
Gaius Pius Esuvius Tetricus usurper emperor
Shi Chaoyi usurper emperor
usurper emperor Eugenius
surface form: Eugenius
Roman usurper emperor