Question: Who is Jarosław, Duke Of Opole's paternal grandfather?
Sentence (from "Bolesław I the Tall"): Bolesław I the Tall( b. 1127 – d. Leśnica( now part of Wrocław), 7 or 8 December 1201) was Duke of Wroclaw from 1163 until his death in 1201.
Relevant evidence: No