Simplify the following text for a Grade 12 native English-speaking person.
Original: In 1764 a porcelain factory was started in Fulda under Prince-Bishop , Prince-Abbot Heinrich von Bibra , but shortly after his death it was closed down in 1789 by his successor , Prince-Bishop , Prince-Abbot Adalbert von Harstall .
Simplified: The factory was begun under Prince-Bishop , Prince-Abbot Heinrich von Bibra and closed down shortly after his death by his successor , Prince-Bishop , Prince-Abbot Adalbert von Harstall .