text: Marriage The earliest source mentioning Shirin is the Ecclesiastical history of Evagrius Scholasticus, where she is mentioned as "Sira". It preserves a letter sent by Khosrau II to the shrine of Saint Sergius in Resafa. One dated to 592/593 includes the following passage: "At the time when I [Khosrau II] was at Beramais, I begged of thee, O holy one, that thou wouldest come to my aid, and that Sira might conceive: and inasmuch as Sira was a Christian and I a heathen, and our law forbids us to have a Christian wife, nevertheless, on account of my favourable feelings towards thee, I disregarded the law as respects her, and among my wives I have constantly esteemed, and do still esteem her as peculiarly mine."
  "Thus I resolved to request of thy goodness, O Saint, that she might conceive: and I made the request with a vow, that, if Sira should conceive, I would send the cross she wears to thy venerable sanctuary. On this account both I and Sira purposed to retain this cross in memory of thy name, O Saint, and in place of it to send five thousand staters, as its value, which does not really exceed four thousand four hundred staters. From the time that I conceived this request and these intentions, until I reached Rhosochosron, not more than ten days elapsed, when thou, O Saint, not on account of my worthiness but thy kindness, appearedst to me in a vision of the night and didst thrice tell me that Sira should conceive, while, in the same vision, thrice I replied, It is well."