Iziaslav I of Kiev

Iziaslav I was Grand Prince of Kiev from 1054 to 1068 and 1069 to 1073. The eldest son of Yaroslav the Wise, he ruled amid rivalries among the princes of the Rurik dynasty.

Triumvirate of Yaroslavichi: The governing partnership of Yaroslav the Wise's sons Iziaslav, Sviatoslav, and Vsevolod after their father's death. Iziaslav shared rule with his brothers before their rivalry reshaped power in Kievan Rus'.
Yaroslav the Wise: Grand Prince of Kiev from 1019 to 1054, remembered for consolidating his realm and promoting Christianity and law. Iziaslav inherited his claim to Kiev as Yaroslav's eldest surviving son.
Kievan uprising of 1068: A revolt in Kiev after the Yaroslavichi's defeat by the Polovtsians, which drove Iziaslav from the city. The uprising ended Iziaslav's first reign and elevated Vseslav of Polotsk.
Reign of Iziaslav I (1054–1068): The first period of Iziaslav I's rule as Grand Prince of Kiev, from 1054 until his expulsion in 1068. It covers his shared rule with his brothers and the crisis that ended it.
Vsevolod I of Kiev: A son of Yaroslav the Wise who became Grand Prince of Kiev in 1078. His shifting alliances with Iziaslav and Sviatoslav shaped the succession struggle.
Rurik dynasty: A dynasty that ruled Kievan Rus' and several successor principalities from the ninth century onward. Iziaslav's rule belonged to a family system in which princes competed for seniority and territory.
Polovtsians: A Turkic nomadic confederation known in other sources as the Cumans, active on the steppe north of the Black Sea. Their victory in 1068 helped turn military failure into a crisis of Iziaslav's rule.
Iziaslav's exile in Poland: Iziaslav's period in Poland after he was driven from Kiev in 1068. His appeal to Bolesław II shows how an ousted prince sought outside backing.
Sviatoslav II of Kiev: A son of Yaroslav the Wise who ruled as Grand Prince of Kiev from 1073 to 1076. He displaced Iziaslav in 1073 and became the leading prince of Kiev.
Rotational system of princely succession: A succession practice in which princes of a dynasty moved among principalities according to seniority and family rank. The system made Iziaslav's position dependent on relatives' claims as well as his father's legacy.

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Sviatopolk II of KievRelated: Sviatopolk inherited his claim to Kiev through Iziaslav's branch of the Rurik dynasty.