Lucius Seius Herennius Sallustius (died 227) was a Roman usurper

Roman usurper

Usurpers are individuals or groups of individuals who obtain and maintain the power or rights of another by force and without legal authority. Usurpation was endemic during roman imperial era, especially from the crisis of the third century onwards, when political instability became the rule.The...

 in 227. He was a son of Seius (b. ca 155) and wife Herennia Orbiana (b. ca 160), and paternal grandson of Publius Seius Fuscianus

Publius Seius Fuscianus

Publius Seius Fuscianus was a Consul in 151?, PUR 187-189 and Suffect Consul in 188. He was a childhood friend and schoolmate of Emperor Marcus Aurelius.He married and had:...

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Sallustius was father-in-law to Alexander Severus

Alexander Severus

Severus Alexander was Roman Emperor from 222 to 235. Alexander was the last emperor of the Severan dynasty. He succeeded his cousin Elagabalus upon the latter's assassination in 222, and was ultimately assassinated himself, marking the epoch event for the Crisis of the Third Century — nearly fifty...

. He was raised to the rank of Caesar

Caesar (title)

Caesar is a title of imperial character. It derives from the cognomen of Julius Caesar, the Roman dictator...

, probably when his daughter Sallustia Orbiana

Sallustia Orbiana

Seia Herennia Sallustia Barbia Orbiana Augusta , also known as Barbia Orbiana, was an Augusta of the Roman Empire and briefly the wife of Emperor Severus Alexander. She was known for her beauty, which was captured in multiple works of art...

 was wed to Alexander in 225. He made an attempt on the life of his son-in-law and as a result was executed (227). His daughter was banished to Libya

Libya

Libya is an African country in the Maghreb region of North Africa bordered by the Mediterranean Sea to the north, Egypt to the east, Sudan to the southeast, Chad and Niger to the south, and Algeria and Tunisia to the west....

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