Svyatoslav Vladimirovich Duke of Drevlians 
Svyatoslav was born about 0988 in <,Ovruch,Zhitomir Oblast,Ukraine>.1 He died after July 15th, 1015.1
1 "Genealogical Research of Kirk Larson"
Further sources/citations:
"Héraldique européenne", "A History of Russia" @ p. 675, {Larson: Genealogical Research of Kirk Larson}, "FamilySearch® Ancestral File™ v4.19"
Further sources/citations:
"Héraldique européenne", "A History of Russia" @ p. 675, {Larson: Genealogical Research of Kirk Larson}, "FamilySearch® Ancestral File™ v4.19"
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