Kyi, Shchek and Khoryv (Ukrainian: Кий, Щек, Хорив [ˈkɪj ˈʃtʃɛk xoˈrɪu̯]; Old East Slavic: Кии, Щекъ, Хоривъ) were three legendary brothers—often mentioned along with their sister Lybid (Ukrainian: Либідь [ˈlɪbidʲ]; Old East Slavic: Лыбѣдь)—who, according to the Primary Chronicle, founded the medieval city of Kyiv, which eventually became the capital of Kievan Rus' and present-day Ukraine. There is no precise and historically established information about the rule of Kyi and the establishment of the city of Kyiv.Kyi (Old East Slavic: Кии, Kiy; Ukrainian: Кий, Kyi) was the legendary founder of Kyiv and the Kyi dynasty, and the Prince (Knyaz) of the Polans. He was one of four siblings (brothers Kyi, Shchek, and Khoryv, and sister Lybid), who, according to the Primary Chronicle, lived in the Dnieper mountains and built a city on the right high bank of the Dnieper, named Kyiv, after the eldest brother. Kyi was also named the founder...