St. Cyril of Alexandria, Roman Catholic Bishop and Doctor of the Church. June 27

St. Cyril of Alexandria, Roman Catholic Bishop and Doctor of the Church. Cyril became embroiled with Nestorius, patriarch of Constantinople, who was preaching that Mary was not the Mother of God since Christ was Divine and not human, and consequently she should not have the word theotokos (God-bearer) applied to her. Feastday: June 27