Izyaslav III Davydovich (died 1161) was

Prince of Chernigov The Prince of Chernigov () was the ''kniaz'', the ruler or sub-ruler, of the Rus' people, Rus' Principality of Chernigov, a lordship which lasted four centuries straddling what are now parts of Ukraine, Belarus and the Russian Federation. List of ...

and

Grand Prince of Kiev The Grand Prince of Kiev (sometimes also Grand Duke) was the title of the monarch of Kievan Rus', residing in Kiev (modern Kyiv) from the 10th to 13th centuries. In the 13th century, Kiev became an appanage principality first of the grand prin ...

(1154–1155; 1157–1158; 1161).Igor Jermolajew: Rjurikowitschi. Proschloje w lizach. Biografitscheski slowar. Olma Media Group, 2002, S. 73. ISBN 978-5-224-03862-6. He was the son of

Davyd Sviatoslavich Davyd Sviatoslavich was the ruler of Murom and Chernigov. The date of his birth is uncertain. Before his father's death was appointed to the Pereyaslav Principality, however in 1076 he ran to Murom which was located as far away as possible from ...

of Chernigov.

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References

Sviatoslavichi family Grand princes of Kiev 1161 deaths 12th-century princes from Kievan Rus' Year of birth unknown {{East-Slavic-hist-stub