Sviatoslav III Igorevich (1176 – September 1211)[1] was an Olgovichi prince.
In October, 1188 he married Yaroslava Rurikovna, a daughter of prince Rurik Rostislavich of Belgorod[1] by his wife Anna Yurevna of Turov.
^ abcdDimnik, Martin. The Dynasty of Chernigov - 1146-1246.
Sources
Benda, Kálmán (General Editor): Magyarország történeti kronológiája - I. kötet: A kezdetektől 1526-ig /A Historical Chronology of Hungary - Volume I: From the Beginnings to 1526/; Akadémiai Kiadó, 1981, Budapest; ISBN963-05-2661-1 (the part of the book which describes the events of the period from 1197 to 1309 was written by László Solymosi).
Dimnik, Martin: The Dynasty of Chernigov - 1146-1246; Cambridge University Press, 2003, Cambridge; ISBN978-0-521-03981-9.