This Saint had Cappadocia as his homeland. He lived during the years of Leo of Thrace, who reigned from 457 to 474. The Saint established in the Holy Land a great communal monastery wherein he was the shepherd of many monks. While Saint Sabbas was the head of the hermits of Palestine, Saint Theodosius was governor of those living the cenobitic life, for which reason he is called the Cenobiarch. Together with Saint Sabbas, towards whom he cherished a deep brotherly love in Christ, he defended the whole land of Palestine from the heresy of the Monophysites, which was championed by the Emperor Anastasius and might very well have triumphed in the Holy Land without the opposition of these two great monastic fathers and their zealous defence of the holy Council of Chalcedon. Having lived for 103 years, he reposed in peace." (Great Horologion)