Svyatoslav Mstislavich Smolenskiy, Knyaz Polotskiy

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1218	-	1219	Knyaz Novgorodskiy
1222	-	1232	Knyaz Polotskiy
1232	-	1239	Knyaz Smolenskiy

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Ancestry Tree  

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Father	Mstislav Romanovich Kievskiy Smolenskiy, Velikiy knyaz Kievskiy ( - 1224)