After finishing Parzival, a 13th century epic poem about the Grail quest, it became apparent that even the upper classes of Middle ages society did not understand any thing about Islam. In the tale Feirefiz, Percival’s Moorish brother renounces Jupiter and converted to Christianity. This is not the only example of the misunderstanding of Islam in the middle ages. What if the most basic tenets of Islam were known to the church and the upper castes of the various states?