He may have ended up being among the many Sicilian clergymen in Rome due to the attacks of the Caliphate on Sicily in the mid-7th century.
[5] The reason may have been due to Agatho's negotiations with Emperor Constantine IV regarding imperial control of papal elections.
[1] Leo put an end to the attempts of Archbishops of Ravenna to break from the control of the Bishop of Rome, but also abolished the tax it had been customary for them to pay when they received the pallium.
[7] In apparent response to Lombard raids, Leo transferred the relics of some martyrs from the catacombs to churches inside the city walls.
[5] He was originally buried in his own monument; however, some years after his death, his remains were put into a tomb that contained the first four of his papal namesakes.