Question: Who is the paternal grandmother of Jarosław, Duke Of Opole?
Sentence (from "Bolko I of Opole"): Bolko I of Opole( before 21 October 1258 – 14 May 1313), was a Duke of Opole from 1282( until 1284 with his brother as co-ruler), Niemodlin and Strzelce Opolskie until his death.
Relevant evidence: No