The motif of the Virgin Mary's image was taken by Geoffrey from the 9th-century Historia Brittonum, which describes a battle "in the castle of Guinnion, in which Arthur carried the image of saint Mary the perpetual virgin on his shoulders".
The motif of the Virgin Mary's picture was taken by Geoffrey from the 9th-century Historia Brittonum, which narrates a conflict "in the stronghold of Guinnion, in which Arthur bore the image of holy Mary the eternal virgin on his shoulders".