Complex sentence: She was buried in the Antique Temple of Sanssouci Park, Potsdam, which would become East Germany 2 years later the resting place of several other members of the Imperial family, including Wilhelm's first wife, Augusta Victoria of Schleswig-Holstein.
Split into simpler sentences: She was buried in the Antique Temple of Sanssouci Park, Potsdam, in what would become East Germany. Some years later it was the resting place of several other members of the Imperial family, including Wilhelm's first wife, Augusta Victoria of Schleswig-Holstein.