It is most picturesquely situated in the valley under the rocky ridge on which are still the very well preserved remains of the castle of Godfrey of Bouillon, the leader of the first crusade.
What ever happened to Arthur Godfrey and regular ol' Lipton tea?
These dukes all bore the name of Godfrey (Godefroy) and the fifth of them was the great crusader.
His mother was Ida d'Ardenne, sister of the fourth Godfrey ("the Hunchback"),.
In order to undertake the crusade Godfrey sold the castle of Bouillon to the prince bishop of Liege, and the title of duke of Bouillon remained the appendage of the bishopric till 1678, or for 580 years.