Complex sentence: Wetzlar is a city located in the state of Hesse, Germany, is a former Free imperial city that owed much of its fame to being the seat of the Imperial Supreme Court ("Reichskammergericht") of the Holy Roman Empire.
Split into simpler sentences: Wetzlar is a city located in the state of Hesse, Germany. It is a former free imperial city that owed much of its fame to being the seat of the Imperial Supreme Court ("Reichskammergericht") of the Holy Roman Empire.