Complex sentence: When Charles Philip succeeded his brother, Johann Wilhelm, as Elector Palatine in 1716, he combined the courts in Düsseldorf and Innsbruck, and the new court was moved first to Neuburg, then to Heidelberg, and finally to Mannheim.
Split into simpler sentences: When Charles Philip succeeded his brother, Johann Wilhelm, as Elector Palatine in 1716, he combined his brother's court in Düsseldorf with his own court in Innsbruck. The new court was moved first to Neuburg, then to Heidelberg, and finally to Mannheim.