Parse this person name:

Koen Molegraaf, 1599-1661, flourished 1622-1641
user
first_name: Koen
last_name: Molegraaf
middle_names: []
temporal:
- start: 1599
  end: 1661
  type: life_span
- start: 1622
  end: 1641
  type: flourished
titles: []
extra_info: []
assistant