Iziaslav IV Vladimirovich ( ukr, Ізяслав Володимирович, russian: Изяслав Владимирович) (1186 1236) was the Prince of Terebovl' (1210) and Novgorod-Seversk (until 1235) and
Grand Prince of Kiev
The Grand Prince of Kiev (sometimes grand duke) was the title of the ruler of Kiev and the ruler of Kievan Rus' from the 10th to 13th centuries. In the 13th century, Kiev became an appanage principality first of the grand prince of Vladimir and ...
(1235–1236). He was the son of Vladimir Igorevich.
Iziaslav Vladimirovich was an Igorevich (descendant of
Igor Sviatoslavich
Prince Igor Sviatoslavich the Brave or Ihor Sviatoslavych ( Old East Slavic: Игорь Святъславичь, ''Igorĭ Svjatŭslavičĭ''; uk, Ігор Святославич, ''Ihor Svyatoslavych''; russian: Игорь Святослав ...
) and a member of a cadet branch of the Ol'govichi (descendants of
Oleg Sviatoslavich
Oleg Svyatoslavich (russian: Олег Святославич; 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 ...
). According to the
Hypatian Chronicle The Hypatian Codex (also known as Hypatian Letopis or Ipatiev Letopis; be, Іпацьеўскі летапіс; russian: Ипатьевская летопись; uk, Іпатіївський літопис) is a ''svod'' (compendium) of three ''l ...
, in 1234, Vladimirovich, with the help of the nomadic
Polovtsy
The Cumans (or Kumans), also known as Polovtsians or Polovtsy (plural only, from the Russian exonym ), were a Turkic nomadic people comprising the western branch of the Cuman–Kipchak confederation. After the Mongol invasion (1237), many sough ...
, campaigned against Vladimir Riurikovich and
Daniil Romanovich
Daniel of Galicia ( uk, Данило Романович (Галицький), Danylo Romanovych (Halytskyi); Old Ruthenian: Данило Романовичъ, ''Danylo Romanovyčъ''; pl, Daniel I Romanowicz Halicki; 1201 – 1264) was a King ...
Torchesk
Torchesk ( uk, Торчеськ; russian: Торческ) was a medieval town, located between today's villages of Olshanytsia and Sharky in Kyiv Oblast (province) of central Ukraine near Kaharlyk.
Torchesk was first mentioned in a chronicle un ...
, taking Vladimir prisoner. In the year 1235, Iziaslav IV marched from Kamenets with Mikhail Vsevelodovich, the
Poles
Poles,, ; singular masculine: ''Polak'', singular feminine: ''Polka'' or Polish people, are a West Slavic nation and ethnic group, who share a common history, culture, the Polish language and are identified with the country of Poland in Ce ...
, the Russians, and the Polovtsy marched against Daniil again but were unsuccessful. According to the
Novgorod First Chronicle
The Novgorod First Chronicle (russian: Новгородская первая летопись) or The Chronicle of Novgorod, 1016–1471 is the most ancient extant Old Russian chronicle of the Novgorodian Rus'. It reflects a tradition different ...
, Prince Iziaslav and the Polovtsy joined Mikhail and troops from Chernigov to successfully attack and capture
Kiev
Kyiv, also spelled Kiev, is the capital and most populous city of Ukraine. It is in north-central Ukraine along the Dnieper, Dnieper River. As of 1 January 2021, its population was 2,962,180, making Kyiv the List of European cities by populat ...
. After the victory, Iziaslav took the title of Grand Prince.
The Hypatian Chronicle and the Novgorod Chronicle disagree on which princes replaced each other in Kiev between 1235 and 1236. The Hypatian Chronicle states that Iaroslav Vsebelodovich took Kiev from Vladimir who was replaced by Mikail. The Novgorod Chronicle and, to a certain extent, the Nikon Chronicle, on the other hand, states that Iziaslav occupied Kiev after Vladimir was captured in 1235 implying that he replaced
Iziaslav Mstislavich
Iziaslav II Mstislavich ( uk, Ізяслав Мстиславич, russian: Изяслав II Мстиславич; c. 1096