About Святослав Svatoslav Ярославич
Sviatoslav Yaroslavich (Russian: Святослав Ярославич) Prince of Pskov, Prince of Tver
Died: 16 September 1271
Father: Yaroslav III
Mother: Xenia Yurievna
SVIATOSLAV Iaroslavich (-[1282/85]). Prince of Pskov 1266. He succeeded his father in 1271 as Prince of Tver.