Complex sentence: In addition to the historic rooms from the time of the Prussian queen, the rooms used by the GDR President will be reopened; the refurnishment of the office used by Wilhelm Pieck is also being considered.
Split into simpler sentences: In addition to the historic rooms dating to the time of the Prussian queen, the rooms used by the GDR President will be reopened. Refurnishing the office used by Wilhelm Pieck is also being considered.