When the Napatan kings from Kush, who reigned during the 25th dynasty, spread their realm into Upper Egypt, the reigning God's Wife of Amun, Shepenupet I, was persuaded to adopt Amenirdis, the daughter of Kashta as her heir. This sequence was followed throughout the 25th Dynasty until Egypt was conquered by Psamtek I, who had his daughter, Nitocris I, adopted by Amenirdis II. The Adoption Stelae of Nitocris' shows the ceremony involved by this event, and the prestige of the role:[3]