 Thus, many renowned Greek-speaking figures who lived during this time were Asia Minor Greeks, including Saint Nicholas (270-343), John Chrysostomos (349-407), Isidore of Miletus (6th century), and Basilios Bessarion (1403-1472).The Greek speaking Christian population began to decline with the invasions of the Muslim Seljuq Turks in the 11th century.The establishment of the Seljuk Empire deprived the Byzantines of a large part of Asia Minor.