Rurik (also spelled Rorik, Riurik or Ryurik; Church Slavonic: Рюрикъ, romanized: Rjurikŭ; Old Norse: Hrøríkʀ; died 879) was a Varangian chieftain of the Rus' who, according to tradition, was invited to reign in Novgorod in the year 862. The Primary Chronicle states that Rurik was succeeded by his kinsman Oleg who was regent for his infant son Igor. Traditionally, Rurik has been considered the founder of the Rurik dynasty, which was the ruling dynasty of Kievan Rus' and its principalities, and ultimately the Tsardom of Russia, until the death of Feodor I in 1598. Life.
https://en.wikipedia.org/wiki/Rurik