Parse this person name:

Dan Röhrdanz (1396-1475, flourished 1423-1445)
user
first_name: Dan
last_name: Röhrdanz
middle_names: []
temporal:
- start: 1396
  end: 1475
  type: life_span
- start: 1423
  end: 1445
  type: flourished
titles: []
extra_info: []
assistant