Seii (Romans)

Lucius Aelius Sejanus ( – 18 October AD 31), commonly known as Sejanus (), was a Roman soldier and confidant of the Roman Emperor Tiberius. Of the Equites class by birth, Sejanus rose to power as prefect of the Praetorian Guard, the imperial bodyguard, of which he was commander from AD 14 until his execution for treason in AD 31.

Roman empress as consort of Severus Alexander

Roman imperial usurper (died 227)

prefect of the Roman imperial bodyguard, the Praetorian Guard (46 BC-16 AD)

Roman senator who flourished under the reign of Tiberius

2nd century Roman consul and Praefectus urbi