What would the result of a surviving Karl Friedrich, heir to the United Duchies of Julich-Kleve-Berg be? He was highly intelligent and a good Catholic, might we see a re-Catholicization of the German south during or after the 30 Years War, or might his descendants follow a principle of religion tolerance? And would a surviving house of Cleves in the Rhineland ally with the Empire or France in the TYW?