Chi ha sposato Frederick, Duke of Bohemia?

Frederick (Czech: Bedřich) (c. 1142 – 25 March 1189), a member of the Přemyslid dynasty, was Duke of Bohemia from 1172 to 1173 and again from 1178 to his death.

Elizabeth of Hungary (c. 1149 – 1189), was a Duchess consort of Bohemia, married to Frederick, Duke of Bohemia. Her parents were King Géza II of Hungary and Euphrosyne of Kiev. She served as regent of Bohemia twice in the absence of her spouse.