When Prince William got engaged to Kate Middleton, questions were flying around about what titles Queen Elizabeth would give to them after their marriage. We now know the couple were given the titles the Duke and Duchess of Cambridge, however, Prince William‘s title was actually meant to go to Prince Edward at first. That was until he watched the movie Shakespeare in Love, according to a source. Kate Middleton can ‘thank Prince Edward’ for her Duchess of Cambridge title When Kate Middleton became engaged to William, it was believed he would either be given the title the Duke of Cambridge or Su…