Antique Map of cities boardering the Rhine in the Duchy of Cleves-Julich -Berg. The Dukes ran an itinerant Court processing between Dusseldorf, Berg, Duren and Xanten. Their lands spread across the most significant military and economic sites of Western Europe on the junction of the Rhine and the Lippe Rivers. The stronghold of Wesel lay within its borders. The family had strong family links with the Court of Burgundy.