Who married Markéta of Pirkstein?

Victor, Duke of Münsterberg also: Victor, Duke of Münsterberg and Opava; Czech: Viktorin z Minsterberka; (29 May 1443 in Cieszyn – 30 August 1500 in Cieszyn) was an Imperial Count from 1459 and Count of Kladsko. From 1462 until his death, he was Duke of Münsterberg, and from 1465 to 1485 Duke of Opava.