Sviatoslav Olgovich of Rylsk rode with Igor in 1185, led the first charge with Vladimir Igorevich and was captured on the Kayala.
Rylsk, a fort on the Seim between Putivl and Kursk, was his then; whether he is alive and holding it on 1 January 1200 is not pinned.
Who he is
- Name
- Sviatoslav Olgovich
- Title
- Prince of Rylsk
- Since
- By 1185
- Born
- Not pinned (a young man in 1185)
- Family
- Son of Oleg Sviatoslavich (d. 1180), Igor's elder half-brother; so Igor's nephew
- Confidence
- low
Named as prince of Rylsk in the 1185 campaign (Hypatian Chronicle; en.wikipedia, Vladimir Igorevich). No later record of him as prince of Rylsk reached me.
Overlord
His uncle Igor.
What it holds
- Rylsk and its district on the Seim (held in 1185; not pinned for 1200)
How it was acquired
Not recorded.
Allies and rivals
Igor's line.
Wealth
The upper Seim's farms and the steppe trade.
Military
His retinue; Rylsk fort.
Threats
- Cuman raids up the Seim
Places of note
- Rylsk: His seat in 1185.
Where the sources disagree
Evidence: One dated tenure (1185); nothing after.
On the map: Holder low confidence; the ground is the Olgovichi's.
Primary sources for Chernigov (the Olgovichi)
Chronicles, registers, sagas and inscriptions written in or near 1200 that cover this entry. Each has its own page with editions, translations and where to read it.
- The Hypatian Chronicle (the Kievan Chronicle compiled about 1200 at the Vydubichi monastery; the Galician-Volhynian Chronicle in the 13th century). The southern record. Read online
- The Laurentian Chronicle (the Suzdal continuation kept in the late 12th and 13th centuries; manuscript 1377). The court record of Vsevolod III of Vladimir. Read online
- The Tale of Igor's Campaign (about 1187 to 1200 (disputed)). A poem on Igor Sviatoslavich's defeat by the Polovtsians in 1185 that addresses the princes of the day by name: Vsevolod of Vladimir, Rurik and David Rostislavich, Yaroslav of Galich, Roman of Volhynia and the Olgovichi of Chernigov, of whom Igor himself was prince from 1198. Read online
Sources and studies
Last revised 4 November 2026. Published 4 November 2026. Suggest a correction on the OMNIA Discord.