Parse this person name:

François Marion (1417-1486, flourished 1439-1469)
user
first_name: François
last_name: Marion
middle_names: []
temporal:
- start: 1417
  end: 1486
  type: life_span
- start: 1439
  end: 1469
  type: flourished
titles: []
extra_info: []
assistant