Oleg Sviatoslavich
| Oleg I of Chernigiv | |||||
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| Prince of Novgorod-Seversky | |||||
| Reign | 1097–1115 | ||||
| Successor | Vsevolod II of Kiev | ||||
| Born | c. 1052 | ||||
| Died | August 1115 (aged 62 or 63) | ||||
| Spouse | 1. Theophania Myrodh (Muzalon) 2.Maria Yuryevna, daughter of Yuri I Vladimirovich Dolgoruky and Miss Aëpovna, Princess of the Kumans, who is the daughter of Aëpa II Ocenevich, Khan of the Cumans and Okand. |
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| Issue |
Vsevolod II of Kiev Igor II of Kiev Maria Gleb Sviatoslav Olgovich |
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| House | Riurik Dynasty | ||||
| Father | Sviatoslav Yaroslavich | ||||
| Mother | Killikiya | ||||
| Full name | |
|---|---|
| Oleg Sviatoslavich |
Oleg Svyatoslavich (Russian: Олег Святославич; c. 1052 – August 1115) was a Rurikid prince whose equivocal adventures ignited political unrest in Kievan Rus' at the turn of the 11th and 12th centuries.
Oleg was a younger son of Sviatoslav Iaroslavich, Prince of Chernigov and his first wife, Killikiya. He might have been either the second or the fourth among the four sons of Sviatoslav Iaroslavich by Killikiya, because their order of seniority is uncertain. According to historian Martin Dimnik, Oleg was born around 1050. Oleg was named after his grand uncle. His baptismal name was Michael.
Dimnik writes that "it is highly probable" that Oleg succeeded his brother, Gleb in Tmutarakan after their father appointed the latter Prince of Novgorod in about 1068. Oleg's father and uncle, Vsevolod Iaroslavich made an alliance against their elder brother, Iziaslav Iaroslavich, Grand Prince of Kiev and dethroned him on 22 March 1073. According to Dimnik, Oleg received the Principality of Vladimir from his father who succeeded Iziaslav Iaroslavich in Kiev. In short, Oleg and his cousin, Vladimir Monomach—son of Vsevolod Iaroslavich—became close friends. Monomach writes in his Instruction that Oleg was the godfather of his eldest son, Mstislav. The two cousins together commanded the troops Oleg's father sent to assist Boleslav II of Poland in Bohemia in 1076, according to the Russian Primary Chronicle.
Sviatoslav Iaroslavich died in Kiev on 27 December 1077. He was succeeded by his brother, Vsevolod Iaroslavich. The new grand prince seems to have confirmed Oleg's rule in Vladimir, because no source makes mention of a conflict between them. However, the dethroned Iziaslav Iaroslavich—Vsevolod's brother and Oleg's uncle—returned with Polish reinforcements. Iziaslav and Vsevolod had a meeting where they reached an agreement: Vsevolod renounced of Kiev, but received Chernigov, the one-time domain of Oleg's father. Iziaslav marched in Kiev on 15 July 1077, while Oleg "was with Vsevolod at Chernigov", according to the Russian Primary Chronicle. The chronicler's remark suggests that Oleg had by that time been forced to leave Vladimir.
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