He eventually left the city around 1068 when it was threatened by Seljuk Turkish raids .
Educated in Constantinople , Nicholas spent much of his early years in Pisidian Antioch , where it is believed he took his monastic vows .
Nicholas eventually left the city around 1068 when it was threatened by Seljuk Turkish raids .
Educated in Constantinople , Nicholas spent much of his early years in Pisidian Antioch , where it is believed he took his monastic vows .