Question: Who is Bolko V The Hussite's paternal grandfather?
Sentence (from "Bolko V the Hussite"): Bolko V the Hussite  (ca. 1400 – 29 May 1460) was a Duke of Opole between 1422–1424 (as a co-ruler with his father), ruler over Głogówek and Prudnik since 1424, Duke of Strzelce and Niemodlin from 1450 and ruler over Olesno since 1455.
Relevant evidence: No