Who married Johanna of Poděbrady?

Casimir II of Cieszyn (Polish: Kazimierz, Czech: Kazimír; c. 1449 – 13 December 1528) was a Duke of Cieszyn since 1477, ruler over Koźle during 1479–1509, since 1493 ruler over Wołów, over Pszczyna during 1498–1517, from 1506 over Opava, Duke of Głogów since 1506 (for life). Also he was Landeshauptmann General of Silesia during 1497–1504 and 1507–1517, since 1517 until his death, Landeshauptmann (starosta generalny) over the Upper Silesia.

He was the only son of Bolesław II, Duke of Cieszyn, by his wife Anna, daughter of Ivan Vladimirovich, Prince of Bielsk.