Parse this person name:

Nick Jonkman, 1422-1483, flourished 1440-1467
user
first_name: Nick
last_name: Jonkman
middle_names: []
temporal:
- start: 1422
  end: 1483
  type: life_span
- start: 1440
  end: 1467
  type: flourished
titles: []
extra_info: []
assistant