Parse this person name:

Rik Corstiaens (1408-1487, flourished 1423-1447)
user
first_name: Rik
last_name: Corstiaens
middle_names: []
temporal:
- start: 1408
  end: 1487
  type: life_span
- start: 1423
  end: 1447
  type: flourished
titles: []
extra_info: []
assistant