He was from the region of Nicaea, and was named John by his parents Theodore and Anna. He took up the monastic life at an early age, and was renamed Christodoulos ('Slave of Christ'). After going far in the ascetical life, he was given permission by the Emperor Alexis I (1081-1118) to establish a church and monastery on the island of Patmos, dedicated to St John the Evangelist. Both the church and the monastery stand and continue in use to this day. When Patmos was attacked by the Arabs, he and his disciples fled to Euboea, where he reposed. The Saint's disciples brought his relics back to his own monastery, where they continue to work miracles today.