Sure, I get it. According to the Normanist theory, they were Nose. Rurik, Oleg, maybe even Rurik's son Igor... But Sviatoslav? Fairly sure he should be Slavic.
Normanist theory? It's pretty much accepected by the whole historians that they were Norse.
He isn't. By 1066 even Yaroslav the Wise is dead, and that's his grandson.Is Sviatoslav a playable character?
We are talking Sviatoslav I right?