Parse this person name:

Bertrand Royer (1645-1722, flourished 1663-1674)
user
first_name: Bertrand
last_name: Royer
middle_names: []
temporal:
- start: 1645
  end: 1722
  type: life_span
- start: 1663
  end: 1674
  type: flourished
titles: []
extra_info: []
assistant