princess of Kievan Rus'

generate a one-sentence description for a given conceptual class.
# Response Format
Return only the sentence: "Description: [one-sentence description of the conceptional class]"

Class: princess of Kievan Rus'

A princess of Kievan Rus' is a high-born woman of the ruling Rurikid dynasty who played key roles in dynastic alliances, governance, and the cultural and religious life of the medieval East Slavic state.