The walls display two mosaics taken from the original Norman façade, depicting King Roger II, George of Antioch's lord, receiving the crown of Sicily from Jesus, and, on the northern side of the aisle, George himself, at the feet of the Virgin. The depiction of Roger was highly significant in terms of its iconography. In Western Christian tradition, kings were customarily crowned by the Pope or his representatives; however, Roger is shown in Byzantine dress being crowned by Jesus in the Byzantine fashion. Roger was renowned for presenting himself as an emperor during his reign, being addressed as "basileus" ("king" in ancient Greek). The mosaic of the crowning of Roger carries a Latin inscription written in ancient Greek characters ("Rogerios Rex" ΡΟΓΕΡΙΟΣ ΡΗΞ "king Roger").