St. Isidore of Pelusium Scroll for quotes→ Previous Next Isidore of Pelusium (360-440 A.D.) was born in Egypt to a prominent Alexandrian family. He became an ascetic, and moved to a mountain near the city of Pelusium, in the tradition of the Desert Fathers. Isidore is known to us for his letters, written to Cyril of Alexandria, Theodosius II, and a host of