Ki vette feleségül Elizabeth Richeza of Poland-t?

Elizabeth Richeza of Poland (Czech: Eliška-Rejčka; Polish: Ryksa-Elżbieta; 1 September 1288 – 19 October 1335), was a Polish princess member of the House of Piast and by her two marriages Queen consort of Bohemia and Poland and Duchess consort of Austria and Styria. She was the only child of Przemysł II, Duke of Greater Poland (since 1295 King of Poland) and his second wife Richeza, herself a daughter of the former King Valdemar of Sweden and Sofia of Denmark.

II. Vencel (csehül: Václav II., lengyelül: Wacław II Czeski, németül Wenzel II. (Böhmen)), (1271. szeptember 17. – 1305. június 21.) cseh király 1278-tól, krakkói herceg 1291-től, I. Vencel néven Lengyelország királya 1300-tól haláláig. Magyarországra is ki tudta terjeszteni a befolyását.