Parse this person name:

Pieter Verhagen, 1617-1668, flourished 1638-1653
user
first_name: Pieter
last_name: Verhagen
middle_names: []
temporal:
- start: 1617
  end: 1668
  type: life_span
- start: 1638
  end: 1653
  type: flourished
titles: []
extra_info: []
assistant