Elisabeth of Bavaria's husband was born on what date?
Elisabeth of Bavaria, Queen of Germany: Elisabeth of Bavaria (  1227 – 9 October 1273), a member of the House of Wittelsbach, was Queen consort of Germany from 1246 to 1254 by her marriage to King Conrad IV of Germany. Conrad IV of Germany: Conrad (25 April 1228 – 21 May 1254), a member of the Hohenstaufen dynasty, was the only son of Emperor Frederick II from his second marriage with Queen Isabella II of Jerusalem.
25 April 1228