Question: Who is Wenceslaus Ii, Duke Of Cieszyn's paternal grandfather?
Answer: Bolesław II, Duke of Cieszyn

Also he was Landeshauptmann General of Silesia during 1497–1504 and 1507–1517, since 1517 until his death, Landeshauptmann over the Upper Silesia. He was the eldest child and only son of Bolesław II, Duke of Cieszyn, by his wife Anna, daughter of Ivan Vladimirovich, Prince of Bielsk. Wenceslaus II of Cieszyn (b