Parse this person name:

Alex Kunen (1614-1684, flourished 1642-1655)
user
first_name: Alex
last_name: Kunen
middle_names: []
temporal:
- start: 1614
  end: 1684
  type: life_span
- start: 1642
  end: 1655
  type: flourished
titles: []
extra_info: []
assistant