The numinous mana of a Rome that was the sepulchre of Peter and Paul had retained all the potency bequeathed by this second pair of discordant founders when the volatile political power of the pagan Rome of Romulus and Remus had ebbed away [...].
Romulus killed Remus. In the incident at Antioch Paul quarrelled with Peter.
A Study of History, Vol VIII, OUP, 1954