It was olso called Eudossiana because it was built in the V century AD, by Eudossia Licina the daughter of the emperor east's who recuperated San Pietro's chains.The church was founded for keep the saints relics, which are situated in a bronze urn that is showed to the faithful each first august, during a religious ceremony.There is also the famous Moses of Michelangelo; a beautiful marbled figure characterized by two horns, which results from the mistake of the translation of the biblicalsentence "head with a halo of light". The patriarch is sitting on a throne, and he is waiting for the Ten Commandments.