Parse this person name:

Jorn van Dokkum (1410-1467, flourished 1437-1447)
user
first_name: Jorn
last_name: van Dokkum
middle_names: []
temporal:
- start: 1410
  end: 1467
  type: life_span
- start: 1437
  end: 1447
  type: flourished
titles: []
extra_info: []
assistant