"Jarosław of Opole (Polish: Jarosław opolski; aft. 1143 – 22 March 1201) was a Duke Opole from 1173 and Bishop of Wrocław from 1198 until his death.
He was the oldest son of Bolesław I the Tall, by his first wife Zvenislava, daughter of Vsevolod II Olgovich, Grand Prince of Kiev. His Russian name was given by his mother." - (en.wikipedia.org 29.01.2020)