Parse this person name:

Darko Schaaf, 1394-1453, flourished 1420-1435
user
first_name: Darko
last_name: Schaaf
middle_names: []
temporal:
- start: 1394
  end: 1453
  type: life_span
- start: 1420
  end: 1435
  type: flourished
titles: []
extra_info: []
assistant