Izyaslav Vladimirovich of Pronsk was born 1185 to Vladimir Glebovich of Pronsk (c1158-c1197) and died 20 July 1217 Council of Isady (1217) of Murder. Charlemagne (747-814), Alfred the Great (849-899)/s, Charlemagne (747-814)/s.
In 1207, Gleb Vladimirovich and Oleg Vladimirovich denounced the other Princes of Ryazan and Princes of Pronsk to Vsevolod Yuryevich. As a result Roman Glebovich of Ryazan (c1152-1216), Svyatoslav Glebovich, Ingvar Igoryevich and Yuri Igoryevich were imprisoned by Vsevolod Yuryevich. Mikhail Vsevolodovich escaped to Chernigov and Izyaslav Vladimirovich led the defense of Pronsk, which was not successful. Oleg Vladimirovich was installed as Prince of Pronsk. During the winter of 1208/1209 Mikhail Vsevolodovich and Izyaslav Vladimirovich invaded the Grand Principality of Vladimir-Suzdal, but were defeated in the environs of Moscow by Yuri Vsevolodovich, Prince of Vladimir. On 20 July 20, 1217 Izyaslav was killed by his brothers Gleb Vladimirovich and Konstantin Vladimirovich at the princely Council of Isady (1217).
There are no information about his marriage or his children.