Oleg III Svyatoslavich
Oleg III Svyatoslavich was a Kievan Rus' prince. His baptismal name was Feodosy. He was prince of Vshchizh, of Novgorod-Seversk, and of Chernigov.
Marriages and children
Oleg III married his first wife before 1166. She was a daughter of Prince Andrey Yuryevich of Suzdalia and his Cuman wife and may have been named Euphrosyne.Oleg's second wife was a daughter of Prince Yuriy Rostislavich of Ryazan and may have been named Euphrosyne.
Oleg had three children: one whose name is unknown, a son named David, and a son named Ingor.