Parse this person name:

Peter-Michael Röhrdanz, 1242-1311, flourished 1260-1286
user
first_name: Peter-Michael
last_name: Röhrdanz
middle_names: []
temporal:
- start: 1242
  end: 1311
  type: life_span
- start: 1260
  end: 1286
  type: flourished
titles: []
extra_info: []
assistant