With the move to Berlin, Felix remained in Prussia and he maintained a close association with Neuchâtel. However, he had great affinity to France and his wife Minette was daughter of the minister for the French colony in Berlin.
Sa pamamagitan ng lumipat sa Berlin, Felix naiiwan sa Prussia at siya na pinapanatili ng isang malapit na ugnayan sa Neuchatel. Gayunman, siya had great affinity sa France at kanyang asawa Minette ay anak na babae ng mga ministro para sa French kolono sa Berlin.