Simplify the following text for a Grade 9 native English-speaking person.
Original: The name is associated with various places in Germany , such as Castle Frankenstein ( Burg Frankenstein ) in MÃ 1\/4 hltal , Hesse , or Castle Frankenstein in Frankenstein , Palatinate . There is also a castle called Frankenstein in Bad Salzungen , Thuringia .
Simplified: Frankenstein died .