A group dedicated to fostering friendship between Danville and Carrickfergus, Northern Ireland, hopes the bond could lead to a visit from some royal newlyweds. When Prince William and Catherine, Duchess of Cambridge were married in April, one of their three titles bestowed on them within the realm of Great Britain was Baron and Baroness of Carrickfergus. While the traditional gesture probably didn't register much with many observers, it gave some members of the Danville Sister Cities Commission a big idea.