Cyrus the Great was a Persian king who founded the Empire History and Biography of Cyrus the Great or Cyrus the Great which stretched across the Middle East from the Aegean Sea to the Indus River. His name is mentioned in a legend written by Xenophon, an ancient Greek writer. In this legend, Cyrus is shown as a just and ideal ruler. The ancient Persians considered him the father of the people. He is also mentioned in the Bible. Cyrus freed the Jews from Babylonian captivity . He was born around 590-580 BC, possibly in Persia. Cyrus the Great’s father was Cambyses I.