Marinianus was

Roman consul The consuls were the highest elected public officials of the Roman Republic ( to 27 BC). Romans considered the consulship the second-highest level of the ''cursus honorum''an ascending sequence of public offices to which politicians aspire ...

in the year 268, under Emperor

Gallienus Publius Licinius Egnatius Gallienus (; – September 268) was Roman emperor with his father Valerian from 253 to 260 and alone from 260 to 268. He ruled during the Crisis of the Third Century that nearly caused the collapse of the empire. He ...

. He was related to the Egnatia gens and has been speculated to be the cousin, son or nephew of Emperor

. Marinianus and Valerianus Minor (Gallienus' brother), were killed during the autumn of 268 in a purge of Gallienus' partisans."Valerian and Gallienus"
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De Imperatoribus Romanis ''De Imperatoribus Romanis'' (''DIR'') is an online peer-reviewed encyclopedia about the emperors of the Roman Empire, including the Byzantine Empire. It was established in 1996 by Michael DiMaio, and hosted at Salve Regina University. The site has ...

''.

Notes

240s births 268 deaths Year of birth uncertain Valerian dynasty 3rd-century Roman consuls Marinianus, Publius Egnatius Sons of Roman emperors Ancient Roman heirs apparent who never acceded {{AncientRome-bio-stub