Sviatoslav III Igorevich (1176 – September 1211) was an Olgovichi prince. In October, 1188 he married Yaroslava Rurikovna, a daughter of prince Rurik Rostislavich of Belgorod by his wife Anna Yurevna of Turov. * Agafia of Rus (after 1188 - after 31 August 1247), wife of

Konrad I of Masovia Konrad I of Masovia (ca. 1187/88 – 31 August 1247), from the Polish Piast dynasty, was the sixth Duke of Masovia and Kuyavia from 1194 until his death as well as High Duke of Poland from 1229 to 1232 and again from 1241 to 1243. Life Konrad w ...

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*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; (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; . {{DEFAULTSORT:Svyatoslav 03 Igorevich 1176 births 1211 deaths Olgovichi family Princes of Vladimir-in-Volhynia Eastern Orthodox monarchs