Simplify the following text for a Grade 7 native English-speaking person.
Original: In the Nibelungenlied , Siegfried 's sword is called Balmung ; in Richard Wagner 's Ring Cycle , it is called Nothung ( Notung in more modern German ) .
Simplified: In the Nibelungenlied , Siegfried 's sword is called Balmung ; in Richard Wagner 's Ring Cycle , it is called Nothung .