(Sixtus) (Saint) Pope (March 28) (5th century) The successor of Saint Celestine in Saint Peter’s Chair. He continued the work of his holy predecessor, especially the defence of Saint Cyril and of the Council of Ephesus. He died A.D. 440.
- Monks of Ramsgate. “Xystus III”. , 1921. CatholicSaints.Info. 15 March 2017. Web. 26 April 2017. <>