Imperator Hadrian Augustus Duval, born Hadrian Jansen, is a member of the Imperial Family without royal title and the current leader of Nova Imperium, an organisation which advocates Imperial traditionalism and isolationism. He is the son of Hector Jansen, an illegitimate son of the late Emperor Hengist Duval through a relationship with an Imperial slave which occurred during the reign of Hesketh Duval.