Parse this person name:

Joshua Heerkens (1604-1672, flourished 1620-1643)
user
first_name: Joshua
last_name: Heerkens
middle_names: []
temporal:
- start: 1604
  end: 1672
  type: life_span
- start: 1620
  end: 1643
  type: flourished
titles: []
extra_info: []
assistant