Oleg Sviatoslavich was the prince of the Drevlians from 970 until his death in 977. He was the second son of Sviatoslav I of Kiev of the Rurik dynasty.
The murder of Lyut Sveneldich, son of the Kiev voivode Sveneld, by Oleg. Miniature from the Radziwiłł Chronicle (15th century)
Sviatoslav I or Svyatoslav I Igorevich was Prince of Kiev from 945 until his death in 972. He is known for his persistent campaigns in the east and south, which precipitated the collapse of two great
Sviatoslav I by Eugene Lanceray (1886)
Sviatoslav's mother, Olga, with her escort in Constantinople, a miniature from the late 11th century chronicle of John Skylitzes.
Sviatoslav's Council of War by Boris Chorikov
Sviatoslav invading Bulgaria, Manasses Chronicle