Parse this person name:

Elias van Kusen, 1614-1674, flourished 1641-1669
user
first_name: Elias
last_name: van Kusen
middle_names: []
temporal:
- start: 1614
  end: 1674
  type: life_span
- start: 1641
  end: 1669
  type: flourished
titles: []
extra_info: []
assistant