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In his function as "pontifex maximus" Julius Caesar himself chose Mark Antony for the office using the ritual of "captio". He couldn't designate his nephew Gaius Octavius, because he had already planned for him to become his political heir. But Mark Antony was equally suited for the office, because he was a close confidant of Caesar and a near relative through his mother Iulia. In addition he had been "augur" since 50 BC and later "magister" of the newly established "luperci Iulii". He hadn't exercised a political office since 47 BC, when he assumed "consulship" in 44 BC together with the "dictator perpetuo". Following Caesar's "captio" Mark Antony was at first unable to inaugurate, because he was a plebeian. On the basis of the "lex Cassia" of 45 BC Caesar however had the right to elevate him (and Gaius Octavius) to patrician status.